Edit bottombar style #2

@@ -45,13 +45,14 @@
   border-top: 2px gray solid;
   font-size: 1.5rem;
   height: 2.8rem;
-  a {
-    box-shadow: 3px 3px 3px 0px gray;
-  }
   .bottomBtn {
     margin-right: 0.2rem;
     margin-left: 0.2rem;
     border: 1px solid gray;
     border-radius: 3px;
+    box-shadow: 3px 3px 3px 0px gray;
+  }
+  .bottomBtn:hover {
+    box-shadow: 1px 1px 3px 0px gray;
   }
 }