<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">

  <!-- Enable responsive view on mobile devices -->
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  
  <title>Responsive Tiled Photo Gallery in Pure CSS</title>
  
  <style type="text/css">
    body {
      margin: 0;
      padding: 0;
      background: #EEE;
      font: 10px/13px 'Lucida Sans',sans-serif;
    }
    .wrap {
      overflow: hidden;
      margin: 10px;
    }
    .box {
      float: left;
      position: relative;
      width: 20%;
      padding-bottom: 20%;
    }

    .boxInner {
      position: absolute;
      left: 10px;
      right: 10px;
      top: 10px;
      bottom: 10px;
      overflow: hidden;
    }
    .boxInner img {
      width: 100%;
    }
    .boxInner .titleBox {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      margin-bottom: -50px;
      background: #000;
      background: rgba(0, 0, 0, 0.5);
      color: #FFF;
      padding: 10px;
      text-align: center;
      -webkit-transition: all 0.3s ease-out;
      -moz-transition: all 0.3s ease-out;
      -o-transition: all 0.3s ease-out;
      transition: all 0.3s ease-out;
    }
    body.no-touch .boxInner:hover .titleBox, body.touch .boxInner.touchFocus .titleBox {
      margin-bottom: 0;
    }
    @media only screen and (max-width : 480px) {
      /* Smartphone view: 1 tile */
      .box {
        width: 100%;
        padding-bottom: 100%;
      }
    }
    @media only screen and (max-width : 650px) and (min-width : 481px) {
      /* Tablet view: 2 tiles */
      .box {
        width: 50%;
        padding-bottom: 50%;
      }
    }
    @media only screen and (max-width : 1050px) and (min-width : 651px) {
      /* Small desktop / ipad view: 3 tiles */
      .box {
        width: 33.3%;
        padding-bottom: 33.3%;
      }
    }
    @media only screen and (max-width : 1290px) and (min-width : 1051px) {
      /* Medium desktop: 4 tiles */
      .box {
        width: 25%;
        padding-bottom: 25%;
      }
    }
  </style>
  <!-- Enable media queries for old IE -->
  <!--[if lt IE 9]>
	<script src="http://css3-mediaqueries-js.googlecode.com/svn/trunk/css3-mediaqueries.js"></script>
  <![endif]-->

</head>
</html>