Update custom SASS

resources/assets/sass/custom.scss

@@ -8,6 +8,12 @@ body, button, input, textarea {
   box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
 }
 
+.bg-pixelfed {
+  background:#10c5f8;
+  background:-webkit-gradient(linear,left top,right bottom,from(#6736dd),to(#10c5f8));
+  background:linear-gradient(to bottom right,#6736dd,#10c5f8);
+}
+
 @media (min-width: 1200px) {
   .container {
       max-width: 935px;