fixing alphabetical problem

Author: thurow

app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/header/actions-group/_notifications.less

@@ -99,10 +99,10 @@
         font-weight: @font-weight__bold;
         height: 20px;
         left: 50%;
+        line-height: 20px;
         margin-left: .3em;
         margin-top: -1.1em;
         min-width: 20px;
-        line-height: 20px;
         text-align: center;
         position: absolute;
         top: 50%;