Browser tab icon dims like the others when the tab isn't selected

The globe was missing from the rule that dims tab icons at rest, so it
always showed at full brightness and looked like the active tab.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

styles.css

@@ -1547,7 +1547,7 @@ body.drawing * {
 }
 /* Removed explicit close button; using hold-to-close gesture on tab */
 
-.bible-icon, .media-icon, .whiteboard-icon, .media-tab-icon, .graphics-tab-icon, .maps-tab-icon, .prayer-tab-icon, .alpha-icon, .notes-icon, .ask-tab-icon {
+.bible-icon, .media-icon, .whiteboard-icon, .media-tab-icon, .graphics-tab-icon, .maps-tab-icon, .browser-tab-icon, .prayer-tab-icon, .alpha-icon, .notes-icon, .ask-tab-icon {
     opacity: 0.7;
     transition: opacity 0.2s;
 }
@@ -1564,6 +1564,8 @@ body.drawing * {
 .tab.active .graphics-tab-icon,
 .tab:hover .maps-tab-icon,
 .tab.active .maps-tab-icon,
+.tab:hover .browser-tab-icon,
+.tab.active .browser-tab-icon,
 .tab:hover .prayer-tab-icon,
 .tab.active .prayer-tab-icon,
 .tab:hover .alpha-icon,