Blur basic

by Roberto Apasajja

HTML

<div id="aaaa">
    <div id="bbbb">
        <div id="cccc"></div>
    </div>
</div>

CSS

body{
  background: url(http://www.cnetfrance.fr/i/edit/2013/06/39791275/620x465/ios-7.jpg)
}

#aaaa{
  width:300px;
  height: 300px;
  background:url(http://www.cnetfrance.fr/i/edit/2013/06/39791275/620x465/ios-7.jpg);
  filter: blur(9px);
  border: 1px solid red
}