style: cosmetic improvements

src/app/xtream/detail-view.scss

@@ -2,6 +2,7 @@
     width: 100%;
     display: flex;
     flex-direction: column;
+    overflow: auto;
 }
 
 .details {

src/app/xtream/vod-details/vod-details.component.html

@@ -60,6 +60,7 @@
                 color="accent"
                 (click)="playClicked.emit(item)"
             >
+                <mat-icon>play_arrow</mat-icon>
                 {{ 'XTREAM.PLAY' | translate }}</button
             >&nbsp;
             <button

src/styles.scss

@@ -104,13 +104,13 @@ textarea,
     }
 
     .scroll-viewport-portals {
-        min-height: calc(100vh - 160px) !important;
+        min-height: calc(100vh - 170px) !important;
         overflow-x: hidden !important;
     }
 }
 
 .scroll-viewport-portals {
-    min-height: calc(100vh - 160px) !important;
+    min-height: calc(100vh - 170px) !important;
     overflow-x: hidden !important;
 }