ui: fixed close button padding on toast messages.

rhodecode/public/js/src/components/rhodecode-toast/rhodecode-toast.less

@@ -1,27 +1,28 b''
 @import '../../../../css/variables';
 @import '../../../../css/mixins';
 
 .alert{
     margin: 10px 0;
 }
 
 .toast-close {
     margin: 0;
     float: right;
     cursor: pointer;
+    padding: 8px 0 8px 8px;
 }
 
 .toast-message-holder{
     background: fade(#fff, 25%);
 
     &.fixed{
         position: fixed;
         padding: 10px 0;
         margin-left: 10px;
         margin-right: 10px;
         top: 0;
         left: 0;
         right:0;
         z-index: 100;
     }
 }