JSFiddle - React, Tailwind, and code Playground
HTML
<form>
<label>
<span>
<iframe src="http://yx-ads6.com/banner_show.php?section=General&pub=836169&format=468x60&ga=g" frameborder="0" scrolling="no" width="468" height="60" marginwidth="0" marginheight="0"></iframe>
</span>
<input type="checkbox">
</label>
</form>