Fix alignment of icon in alert dialog

Author: Kristan Kenney

web/css/styles.min.css

@@ -1074,7 +1074,7 @@ a {
   line-height: 2rem;
   position: absolute;
   text-align: center;
-  top: 1.6rem;
+  top: 0.8rem;
   width: 2rem;
 }