*{
margin:0;
padding:0;
}

body {

  background-color: #2f2f2f;
  text-align: center;
  font-family:Arial;

}

div#pagina {

  
  text-align: center;
  margin: 0 auto;
  width:750px;
  height:600px;
  background:url('fondo.jpg') no-repeat; 
  position:absolute;
  top:0%;
  left:50%;
  margin-left:-375px;
}

div#interior {
  

  margin:48px 75px;
  width:600px;
  height:250px;
  background-color:black;

}  

div#interior img{ float:left; margin-top:10px; border:none;}