Tonitox, code

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>TITULO</title>
<style type="text/css">
body{
    background-image: url(http://i.imgur.com/Klx5H.png);
    background-repeat: no-repeat;
    background-attachment: initial;
    background-position-x: 50%;
    background-position-y: 0px;
    background-origin: initial;
    background-clip: initial;
    background-color: #0287B2;
}
body,td,th {
    color: #000000;
}
</style>
</head>

<body >
<center>
<table width="631" border="0">
  <tr>
    <td><center><a href="LINK DE PAGINA"><img src="BOTON REGRESA AL BLOG" border"0" /></a></center></td>
    <td><a href="#"><img src="IMAGEN GRANDE" border="0" /></a></td>

  </tr>
  <tr>
  </tr>
</table>
</center>
</body>
</html>