CODE EXAMPLE FOR CSS

how do img with same

<div class="img" style="background-image:url('http://i.imgur.com/tI5jq2c.jpg');"></div>
<div class="img" style="background-image:url('http://i.imgur.com/37w80TG.jpg');"></div>
<div class="img" style="background-image:url('http://i.imgur.com/B1MCOtx.jpg');"></div>