tabs-bar button hover color

app/styles/soapbox/components/tabs-bar.scss

@@ -117,15 +117,15 @@
     width: 65px;
     height: 34px;
     margin-left: 20px;
-    border-radius: 4px;
+    border-radius: 6px;
     background-color: var(--accent-color) !important;
     transition: background-color 0.2s;
     font-weight: bold;
     font-size: 16px;
+    transition: 0.2s;
 
     &:hover {
-      background-color: darken($nav-ui-highlight-color, 10%) !important;
-      box-shadow: inset 0 0 6px darken($gab-brand-default, 10%);
+      box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.2);
     }
 
   }