Hover fixes

Author: Templarian

src/pg/treeButtonIcon/treeButtonIcon.css

@@ -12,6 +12,7 @@
 }
 
 [part="button"]:hover {
-  box-shadow: 0 0 1px rgba(255, 255, 255, 0.5) inset;
-  background-color: rgba(255, 255, 255, 0.2);
+  box-shadow: 0 0 0.125rem rgba(0, 0, 0, 0.25);
+  background-color: rgba(255, 255, 255, 0.5);
+  border-radius: 0.125rem;
 }