Add tip to use html button tag

README.md

@@ -48,6 +48,7 @@ Follow the steps below to create a PR and add your settings!
     },
     ```
 
+    You can use the tag `<button>⇧Shift</button>` to make a nice <button>⇧Shift</button> in your html.
     </details>
 
 6.  Run `make` command in Terminal to validate your files.<br/>