Fix layout

src/app/components/fragments/content-list/content-list.component.html

@@ -2,6 +2,7 @@
   <div fxLayout="row" fxLayoutAlign="center">
     <mat-card>
       <h2>Fragen</h2>
+      <mat-divider></mat-divider>
       <mat-card-actions>
         <button mat-fab color="primary" matTooltip="Fragen präsentieren"
                 routerLink="/creator/room/{{ room.shortId }}/contents">
@@ -12,7 +13,6 @@
           <mat-icon>note_add</mat-icon>
         </button>
       </mat-card-actions>
-      <mat-divider></mat-divider>
       <h4>Klicken Sie auf einen Inhalt, um diesen zu editieren     <mat-icon>create</mat-icon></h4>
       <mat-divider></mat-divider>
       <mat-list>

src/app/components/fragments/content-list/content-list.component.scss

@@ -7,11 +7,11 @@ mat-card-content > :first-child {
 }
 
 mat-card-actions {
-  margin: 10px;
+  margin: 20px;
 }
 
 button {
-  margin: 10px;
+  margin: 20px;
 }
 
 h3 {

src/app/components/pages/content-carousel-page/content-carousel-page.component.html

-<div fxLayout="column" fxLayoutAlign="start" fxLayoutGap="20px" fxFill>
+<div fxLayout="column" fxLayoutAlign="center" fxLayoutGap="20px" fxFill>
   <div fxLayout="row" fxLayoutAlign="center">
     <mat-tab-group>