Fix command palette label design

Author: SamyPesse

client/resources/stylesheets/ui/palette.less

@@ -40,13 +40,13 @@
                 line-height: 26px;
 
                 .command-label {
-                    display: block;
                     color: inherit;
                     font-size: inherit;
                     text-align: left;
                     font-size: 12px;
-                    padding: 0px 20px;
+                    padding: 0px 8px;
                     line-height: 1.8em;
+                    opacity: 0.4;
                 }
 
                 .shortcut {