Untitled

<html xmlns="http://www.w3.org/1999/xhtml">
<head>

  <title></title>
  <meta name="description" content="" />
  <meta name="keywords" content="" />

<style type="text/css">

    div#imagen1 {
      display: table;
      height: 300px;
      background: red;
    }

    div#imagen1 span {
      display: table-cell;
      vertical-align: middle;
    }

</style>

</head>

  <body>

    <div id="imagen1">
      <span><img id="i1" src="http://placekitten.com/200/200"></span>
    </div>

  </body>
</html>