more stylistic improvements

src/app/app.component.css

@@ -43,6 +43,14 @@ mat-form-field.mat-form-field {
 .spinner {
     position: absolute;
     display: inline-block;
-    margin-left: 8px;
+    margin-left: -28px;
     margin-top: -10px;
+}
+
+.make-room-for-spinner {
+    padding-right: 40px;
+}
+
+.equal-sizes {
+    padding-right: 20px;
 }

src/app/app.component.html

@@ -39,7 +39,7 @@
 </div>
 <br/>
 <div class="centered big" id="bar_div" *ngIf="downloadingfile;else nofile">
-    <div style="display: inline-block; width: 800px;" *ngIf="determinateProgress;else indeterminateprogress">
+    <div [ngClass]="(determinateProgress && percentDownloaded === 100)?'make-room-for-spinner':'equal-sizes'" style="display: inline-block; width: 100%; padding-left: 20px" *ngIf="determinateProgress;else indeterminateprogress">
         <mat-progress-bar mode="determinate" value="{{percentDownloaded}}"></mat-progress-bar>
         <br/>
     </div>