fixed as well

src/client/js/components/Admin/Notification/SlackAppConfiguration.jsx

@@ -116,8 +116,8 @@ class SlackAppConfiguration extends React.Component {
               </div>
 
               <div className="row mb-5">
-                <label className="col-3 text-right">OAuth Access Token</label>
-                <div className="col-6">
+                <label className="col-md-3 text-left text-md-right">OAuth Access Token</label>
+                <div className="col-md-6">
                   <input
                     className="form-control"
                     type="text"