Update default.css

pointer on hover on label for descexpansionbutton

assets/css/default.css

@@ -504,15 +504,15 @@ hr {
   height: 100%;
 }
 
-#descexpansionbutton:hover {
-  cursor: pointer;
-}
-
 #descexpansionbutton ~ label {
   order: 1;
   margin-top: 20px;
 }
 
+label[for="descexpansionbutton"]:hover {
+  cursor: pointer;
+}
+
 /* Bidi (bidirectional text) support */
 h1,
 h2,