feat: tweak theme colors and streamline sidebar chrome

templates/components/watchlist_actions.gohtml

@@ -55,9 +55,8 @@
 
 {{define "watchlist_remove_button"}}
   <div id="remove-watchlist-container-{{.ID}}" class="{{.ContainerClass}}">
-    <div class="{{.DividerClass}}"></div>
     <button class="{{.ButtonClass}}" onclick="removeWatchlist({{.ID}}, this)">
       <span class="{{.SpanClass}}">Remove from Watchlist</span>
     </button>
   </div>
-{{end}}
+{{end}}