CSS border-right-width border-right-width : medium : See the Pen <a href="http://codepen.io/w3tr/pen/EyLKVE/">border-right-width: medium;</a> by W3TR (<a href="http://codepen.io/w3tr">@w3tr</a>) on <a href="http://codepen.io">CodePen</a>.<br /> thin : See the Pen <a href="http://codepen.io/w3tr/pen/GqdkpV/">border-right-width: thin</a> by W3TR (<a href="http://codepen.io/w3tr">@w3tr</a>) on <a href="http://codepen.io">CodePen</a>.<br /> thick : See the Pen <a href="http://codepen.io/w3tr/pen/BzxKjN/">border-right-width: thick</a> by W3TR (<a href="http://codepen.io/w3tr">@w3tr</a>) on <a href="http://codepen.io">CodePen</a>.<br /> length : See the Pen <a href="http://codepen.io/w3tr/pen/WxJwAx/">border-right-width length</a> by W3TR (<a href="http://codepen.io/w3tr">@w3tr</a>) on <a href="http://codepen.io">CodePen</a>.<br />