HTML CSS examples for CSS Selector:after
Add content with :after pseudo element
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> .dropbox {<!--from w ww . j av a2 s .c o m--> border:3px solid Chartreuse; height:201px; width:51%; margin:auto; position:relative; } .dropbox:after { content:''; position:absolute; width:11px; height:11px; background:yellow; top:100%; left:51%; margin-left:6px; } </style> </head> <body> <div class="dropbox"> </div> </body> </html>