style: dark theme improvements

src/app/player/components/channel-list-container/channel-list-container.component.scss

@@ -2,6 +2,12 @@
     background: #ddd;
 }
 
+::ng-deep {
+    .dark-theme .active {
+        background: #000;
+    }
+}
+
 .mat-list-base {
     padding-top: 0;
 }

src/app/player/components/epg-list/epg-item-description/epg-item-description.component.html

@@ -34,7 +34,7 @@
     </ng-container>
 </mat-dialog-content>
 <mat-dialog-actions align="end">
-    <button mat-button mat-dialog-close cdkFocusInitial color="primary">
+    <button mat-button mat-dialog-close cdkFocusInitial color="accent">
         {{ 'HOME.PLAYLISTS.INFO_DIALOG.CLOSE' | translate }}
     </button>
 </mat-dialog-actions>

src/app/player/components/epg-list/epg-item-description/epg-item-description.component.scss

@@ -3,5 +3,11 @@
     text-decoration: underline;
     text-transform: uppercase;
     font-weight: 900;
-    font-size: 0.8em;
-}
+    font-size: 0.9em;
+}
+
+::ng-deep {
+    .dark-theme .subheading-2 {
+        color: #bdbdbd;
+    }
+}