fix html alignment on mobile

Author: danste2.su

custom_components/music_assistant_jukebox/files/jukebox.html

@@ -430,14 +430,14 @@
             }
 
             .source-filters {
-                text-align: left;
+                text-align: center;
                 margin: 10px 0;
             }
 
             .source-filter-btn {
                 font-size: 0.8em;
                 padding: 6px 12px;
-                margin: 0 3px 3px 0;
+                margin: 0px 3px 3px 0px;
             }
 
             .results-table {