JSFiddle - React, Tailwind, and code Playground

HTML

<embed width="400" id="video-player-flash" height="300" type="application/x-shockwave-flash" src="http://s.ytimg.com/yt/swfbin/watch_as3-vfl90ItPb.swf" allowscriptaccess="always" allowfullscreen="true" bgcolor="#000000" flashvars="el=embedded&amp;fexp=912205%2C907064%2C901802%2C910210&amp;use_fullscreen_popup=1&amp;is_html5_mobile_device=false&amp;controls=0&amp;allow_embed=1&amp;allow_ratings=1&amp;hl=de_DE&amp;use_tablet_controls=0&amp;eurl=http%3A%2F%2Ffiddle.jshell.net%2FAkPXj%2Fshow%2F&amp;iurl=http%3A%2F%2Fi2.ytimg.com%2Fvi%2FQKh1Rv0PlOQ%2Fhqdefault.jpg&amp;view_count=396588&amp;title=Jeff%20Han%20on%20TED%20Talks&amp;avg_rating=4.86522462562&amp;video_id=QKh1Rv0PlOQ&amp;length_seconds=573&amp;sendtmp=1&amp;enablejsapi=1&amp;sk=V1Vpx4496qTDdVYTHe5XoULos8HkTHdAC&amp;use_native_controls=false&amp;rel=1&amp;playlist_module=http%3A%2F%2Fs.ytimg.com%2Fyt%2Fswfbin%2Fplaylist_module-vflvW53gT.swf&amp;watch_xlb=http%3A%2F%2Fs.ytimg.com%2Fyt%2Fxlb%2Fwatch%2Fstrings-de_DE-vflaeO6fU.xlb&amp;autoplay=1&amp;jsapicallback=ytPlayerOnYouTubePlayerReady&amp;playerapiid=player1&amp;framer=http%3A%2F%2Ffiddle.jshell.net%2FAkPXj%2Fshow%2F" wmode="opaque" >

CSS

embed{
    border-radius: 20px !important;
}