diff --git a/src/gtk/4.0/gtk-compact.css b/src/gtk/4.0/gtk-compact.css
index 18a284e..8fb1e78 100644
--- a/src/gtk/4.0/gtk-compact.css
+++ b/src/gtk/4.0/gtk-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #1A73E8;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-dark-compact.css b/src/gtk/4.0/gtk-dark-compact.css
index a7f3216..794de39 100644
--- a/src/gtk/4.0/gtk-dark-compact.css
+++ b/src/gtk/4.0/gtk-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #3281ea;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-dark.css b/src/gtk/4.0/gtk-dark.css
index 84acf13..9c3fe22 100644
--- a/src/gtk/4.0/gtk-dark.css
+++ b/src/gtk/4.0/gtk-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #3281ea;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-green-compact.css b/src/gtk/4.0/gtk-green-compact.css
index 095d022..7a330fb 100644
--- a/src/gtk/4.0/gtk-green-compact.css
+++ b/src/gtk/4.0/gtk-green-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #4CAF50;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-green-dark-compact.css b/src/gtk/4.0/gtk-green-dark-compact.css
index aab8d4a..6bc7390 100644
--- a/src/gtk/4.0/gtk-green-dark-compact.css
+++ b/src/gtk/4.0/gtk-green-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #66BB6A;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-green-dark.css b/src/gtk/4.0/gtk-green-dark.css
index bcb7f36..96121d5 100644
--- a/src/gtk/4.0/gtk-green-dark.css
+++ b/src/gtk/4.0/gtk-green-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #66BB6A;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-green-light-compact.css b/src/gtk/4.0/gtk-green-light-compact.css
index fe16484..2570d77 100644
--- a/src/gtk/4.0/gtk-green-light-compact.css
+++ b/src/gtk/4.0/gtk-green-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #4CAF50;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-green-light.css b/src/gtk/4.0/gtk-green-light.css
index 1744843..8f451c0 100644
--- a/src/gtk/4.0/gtk-green-light.css
+++ b/src/gtk/4.0/gtk-green-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #4CAF50;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-green.css b/src/gtk/4.0/gtk-green.css
index 5d59355..e4c024b 100644
--- a/src/gtk/4.0/gtk-green.css
+++ b/src/gtk/4.0/gtk-green.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #4CAF50;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-grey-compact.css b/src/gtk/4.0/gtk-grey-compact.css
index d3eccf1..1ac3d15 100644
--- a/src/gtk/4.0/gtk-grey-compact.css
+++ b/src/gtk/4.0/gtk-grey-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #616161;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-grey-dark-compact.css b/src/gtk/4.0/gtk-grey-dark-compact.css
index e801853..75ca755 100644
--- a/src/gtk/4.0/gtk-grey-dark-compact.css
+++ b/src/gtk/4.0/gtk-grey-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #757575;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-grey-dark.css b/src/gtk/4.0/gtk-grey-dark.css
index a781207..4dd5026 100644
--- a/src/gtk/4.0/gtk-grey-dark.css
+++ b/src/gtk/4.0/gtk-grey-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #757575;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-grey-light-compact.css b/src/gtk/4.0/gtk-grey-light-compact.css
index 804f9e8..3d23c10 100644
--- a/src/gtk/4.0/gtk-grey-light-compact.css
+++ b/src/gtk/4.0/gtk-grey-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #616161;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-grey-light.css b/src/gtk/4.0/gtk-grey-light.css
index fe80686..9904b9a 100644
--- a/src/gtk/4.0/gtk-grey-light.css
+++ b/src/gtk/4.0/gtk-grey-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #616161;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-grey.css b/src/gtk/4.0/gtk-grey.css
index d1af12c..35c8bd0 100644
--- a/src/gtk/4.0/gtk-grey.css
+++ b/src/gtk/4.0/gtk-grey.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #616161;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-light-compact.css b/src/gtk/4.0/gtk-light-compact.css
index 8770e3f..03a176c 100644
--- a/src/gtk/4.0/gtk-light-compact.css
+++ b/src/gtk/4.0/gtk-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #1A73E8;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-light.css b/src/gtk/4.0/gtk-light.css
index f96e491..b7f5341 100644
--- a/src/gtk/4.0/gtk-light.css
+++ b/src/gtk/4.0/gtk-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #1A73E8;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-orange-compact.css b/src/gtk/4.0/gtk-orange-compact.css
index 4c51c75..3b462b3 100644
--- a/src/gtk/4.0/gtk-orange-compact.css
+++ b/src/gtk/4.0/gtk-orange-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F57C00;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-orange-dark-compact.css b/src/gtk/4.0/gtk-orange-dark-compact.css
index 21f6282..6aed809 100644
--- a/src/gtk/4.0/gtk-orange-dark-compact.css
+++ b/src/gtk/4.0/gtk-orange-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FB8C00;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-orange-dark.css b/src/gtk/4.0/gtk-orange-dark.css
index 03850bd..4be8f41 100644
--- a/src/gtk/4.0/gtk-orange-dark.css
+++ b/src/gtk/4.0/gtk-orange-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FB8C00;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-orange-light-compact.css b/src/gtk/4.0/gtk-orange-light-compact.css
index 96f3948..2bf4943 100644
--- a/src/gtk/4.0/gtk-orange-light-compact.css
+++ b/src/gtk/4.0/gtk-orange-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F57C00;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-orange-light.css b/src/gtk/4.0/gtk-orange-light.css
index 57689de..5f27a83 100644
--- a/src/gtk/4.0/gtk-orange-light.css
+++ b/src/gtk/4.0/gtk-orange-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F57C00;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-orange.css b/src/gtk/4.0/gtk-orange.css
index 8a31082..9632d71 100644
--- a/src/gtk/4.0/gtk-orange.css
+++ b/src/gtk/4.0/gtk-orange.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F57C00;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-pink-compact.css b/src/gtk/4.0/gtk-pink-compact.css
index 75ff489..0fe0219 100644
--- a/src/gtk/4.0/gtk-pink-compact.css
+++ b/src/gtk/4.0/gtk-pink-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #EC407A;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-pink-dark-compact.css b/src/gtk/4.0/gtk-pink-dark-compact.css
index 025ca67..e767413 100644
--- a/src/gtk/4.0/gtk-pink-dark-compact.css
+++ b/src/gtk/4.0/gtk-pink-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F06292;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-pink-dark.css b/src/gtk/4.0/gtk-pink-dark.css
index 2167091..cf5cd4e 100644
--- a/src/gtk/4.0/gtk-pink-dark.css
+++ b/src/gtk/4.0/gtk-pink-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F06292;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-pink-light-compact.css b/src/gtk/4.0/gtk-pink-light-compact.css
index 57addf6..b153a91 100644
--- a/src/gtk/4.0/gtk-pink-light-compact.css
+++ b/src/gtk/4.0/gtk-pink-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #EC407A;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-pink-light.css b/src/gtk/4.0/gtk-pink-light.css
index 8bfe6ab..6e63399 100644
--- a/src/gtk/4.0/gtk-pink-light.css
+++ b/src/gtk/4.0/gtk-pink-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #EC407A;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-pink.css b/src/gtk/4.0/gtk-pink.css
index 2589036..910e679 100644
--- a/src/gtk/4.0/gtk-pink.css
+++ b/src/gtk/4.0/gtk-pink.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #EC407A;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-purple-compact.css b/src/gtk/4.0/gtk-purple-compact.css
index f8e1bf1..7464000 100644
--- a/src/gtk/4.0/gtk-purple-compact.css
+++ b/src/gtk/4.0/gtk-purple-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #AB47BC;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-purple-dark-compact.css b/src/gtk/4.0/gtk-purple-dark-compact.css
index 912bc2a..5ce4809 100644
--- a/src/gtk/4.0/gtk-purple-dark-compact.css
+++ b/src/gtk/4.0/gtk-purple-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #BA68C8;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-purple-dark.css b/src/gtk/4.0/gtk-purple-dark.css
index b30956c..7cfc16a 100644
--- a/src/gtk/4.0/gtk-purple-dark.css
+++ b/src/gtk/4.0/gtk-purple-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #BA68C8;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-purple-light-compact.css b/src/gtk/4.0/gtk-purple-light-compact.css
index 217d88a..98eed83 100644
--- a/src/gtk/4.0/gtk-purple-light-compact.css
+++ b/src/gtk/4.0/gtk-purple-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #AB47BC;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-purple-light.css b/src/gtk/4.0/gtk-purple-light.css
index 3205478..719174e 100644
--- a/src/gtk/4.0/gtk-purple-light.css
+++ b/src/gtk/4.0/gtk-purple-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #AB47BC;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-purple.css b/src/gtk/4.0/gtk-purple.css
index b870310..0d85103 100644
--- a/src/gtk/4.0/gtk-purple.css
+++ b/src/gtk/4.0/gtk-purple.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #AB47BC;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-red-compact.css b/src/gtk/4.0/gtk-red-compact.css
index 5f08184..df4e65b 100644
--- a/src/gtk/4.0/gtk-red-compact.css
+++ b/src/gtk/4.0/gtk-red-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #E53935;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-red-dark-compact.css b/src/gtk/4.0/gtk-red-dark-compact.css
index 8a44d42..d9e2f95 100644
--- a/src/gtk/4.0/gtk-red-dark-compact.css
+++ b/src/gtk/4.0/gtk-red-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F44336;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-red-dark.css b/src/gtk/4.0/gtk-red-dark.css
index 98064a3..73403c2 100644
--- a/src/gtk/4.0/gtk-red-dark.css
+++ b/src/gtk/4.0/gtk-red-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #F44336;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-red-light-compact.css b/src/gtk/4.0/gtk-red-light-compact.css
index 11dd706..0842a2c 100644
--- a/src/gtk/4.0/gtk-red-light-compact.css
+++ b/src/gtk/4.0/gtk-red-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #E53935;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-red-light.css b/src/gtk/4.0/gtk-red-light.css
index 8f6b3f7..13276d8 100644
--- a/src/gtk/4.0/gtk-red-light.css
+++ b/src/gtk/4.0/gtk-red-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #E53935;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-red.css b/src/gtk/4.0/gtk-red.css
index 0e0468d..ab55a3d 100644
--- a/src/gtk/4.0/gtk-red.css
+++ b/src/gtk/4.0/gtk-red.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #E53935;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-yellow-compact.css b/src/gtk/4.0/gtk-yellow-compact.css
index f73da8c..2a84493 100644
--- a/src/gtk/4.0/gtk-yellow-compact.css
+++ b/src/gtk/4.0/gtk-yellow-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FBC02D;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-yellow-dark-compact.css b/src/gtk/4.0/gtk-yellow-dark-compact.css
index 0608525..112bab1 100644
--- a/src/gtk/4.0/gtk-yellow-dark-compact.css
+++ b/src/gtk/4.0/gtk-yellow-dark-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FFD600;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-yellow-dark.css b/src/gtk/4.0/gtk-yellow-dark.css
index a3e0a13..4874471 100644
--- a/src/gtk/4.0/gtk-yellow-dark.css
+++ b/src/gtk/4.0/gtk-yellow-dark.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FFD600;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-yellow-light-compact.css b/src/gtk/4.0/gtk-yellow-light-compact.css
index e5485b2..cd00627 100644
--- a/src/gtk/4.0/gtk-yellow-light-compact.css
+++ b/src/gtk/4.0/gtk-yellow-light-compact.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FBC02D;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 22px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-yellow-light.css b/src/gtk/4.0/gtk-yellow-light.css
index f69cbaf..c439833 100644
--- a/src/gtk/4.0/gtk-yellow-light.css
+++ b/src/gtk/4.0/gtk-yellow-light.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FBC02D;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #FFFFFF;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk-yellow.css b/src/gtk/4.0/gtk-yellow.css
index 1f787b6..49fe945 100644
--- a/src/gtk/4.0/gtk-yellow.css
+++ b/src/gtk/4.0/gtk-yellow.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #FBC02D;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {
diff --git a/src/gtk/4.0/gtk.css b/src/gtk/4.0/gtk.css
index 7f21854..4bfb288 100644
--- a/src/gtk/4.0/gtk.css
+++ b/src/gtk/4.0/gtk.css
@@ -1415,6 +1415,10 @@ headerbar button:backdrop:checked:disabled:not(.suggested-action):not(.destructi
   background-color: #1A73E8;
 }
 
+.tiled .titlebar, .tiled-top .titlebar, .tiled-right .titlebar, .tiled-bottom .titlebar, .tiled-left .titlebar, .maximized .titlebar, .fullscreen .titlebar {
+  border-radius: 0;
+}
+
 .titlebar.default-decoration {
   background-color: #2C2C2C;
   min-height: 24px;
@@ -3951,7 +3955,6 @@ window.csd {
   transition: box-shadow 75ms cubic-bezier(0, 0, 0.2, 1);
   border-radius: 18px;
   box-shadow: 0 8px 6px -5px rgba(0, 0, 0, 0.2), 0 16px 14.4px 2px rgba(0, 0, 0, 0.14), 0 6px 18px 5px rgba(0, 0, 0, 0.12), 0 16px 14.4px 2px transparent, 0 6px 18px 5px transparent;
-  margin: 8px;
 }
 
 window.csd:backdrop {