style(install): Improve formatting of buttons.

src/app/app.component.html

@@ -181,7 +181,7 @@ <h3 class="noMessageSelectedNotification">No Message Selected</h3>
       <ng-container *ngIf="!hasChildRouterOutlet">
         <div id="offerLocalIndex" *ngIf="offerInitialLocalIndex; else searchBar">
           <p>
-            Runbox 7 can synchronize with your browser to give you an optimal webmail experience. The data can be deleted at any time using the buttons beneath the folder list.
+            Runbox 7 will synchronize with your device to give you an optimal webmail experience. The data can be deleted at any time using the buttons beneath the folder list.
           </p>
           <mat-list>
           <mat-list-item>

src/styles.scss

@@ -925,6 +925,10 @@ app-saved-searches .mat-list-base[dense] .mat-list-item {
     white-space: normal;
     line-height: 1em;
 
+    mat-list-item {
+        flex-grow: 1;
+    }
+
     button {
         margin-right: 10px;
     }