diff --git a/src/app/components/creator/_dialogs/room-edit/room-edit.component.html b/src/app/components/creator/_dialogs/room-edit/room-edit.component.html
index fa34865c28a2ac1a03c5b8ef3fae8daad6634ad4..e48f8887c34b6d2e7693a1a4f590666d8f5f3603 100644
--- a/src/app/components/creator/_dialogs/room-edit/room-edit.component.html
+++ b/src/app/components/creator/_dialogs/room-edit/room-edit.component.html
@@ -7,6 +7,8 @@
                       matAutosizeMinRows="2" matAutosizeMaxRows="5" placeholder="{{ 'session.description' | translate}}" name="description">
             </textarea>
   </mat-form-field>
+  <mat-slider thumbLabel id="commentSlider" tickInterval="0" min="-50" max="50" step="1" value="0"
+              color="accent"></mat-slider>
   <div fxLayout="row" fxLayoutAlign="center" fxLayoutGap="10px">
     <button (click)="dialogRef.close('abort')" mat-button color="primary">
       {{ 'room-page.abort' | translate}}
diff --git a/src/app/components/creator/_dialogs/room-edit/room-edit.component.scss b/src/app/components/creator/_dialogs/room-edit/room-edit.component.scss
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..495b758bde1403e3a9d30ea32728731eec910922 100644
--- a/src/app/components/creator/_dialogs/room-edit/room-edit.component.scss
+++ b/src/app/components/creator/_dialogs/room-edit/room-edit.component.scss
@@ -0,0 +1,3 @@
+#commentSlider {
+  width: 100%;
+}
diff --git a/src/app/components/creator/room-creator-page/room-creator-page.component.html b/src/app/components/creator/room-creator-page/room-creator-page.component.html
index 315eb4087d8642f1fccf3d893af8399cf2a06af3..477eb79eae8d83c7ef22ce4ad824612d5c68d1a0 100644
--- a/src/app/components/creator/room-creator-page/room-creator-page.component.html
+++ b/src/app/components/creator/room-creator-page/room-creator-page.component.html
@@ -37,7 +37,7 @@
           </button>
         </mat-grid-tile>
         <mat-grid-tile>
-          <button mat-icon-button *ngIf="!modify" (click)="showEditDialog()" color="accent"
+          <button mat-icon-button *ngIf="!modify" (click)="showEditDialog()" color="primary"
                   matTooltip="{{ 'room-page.session-settings' | translate}}">
             <mat-icon>settings</mat-icon>
           </button>