Petit problème

/*
Design d'exemple du Site du Zér0
Réalisé par zaz, venom et mateo21
http://www.siteduzero.com
*/

body
{
  width: 800px;
  margin: auto;
  margin-top: 20px;
  margin-bottom: 20px; 
  background-image: url("http://img518.imageshack.us/img518/7726/sanstitre1yr6.jpg");
}

/* L'en-tête */

#en_tete
{
  width: 760px;
  height: 100px;
  background-image: url("D:\.png");
  background-repeat: no-repeat;
  margin-bottom: 10px;
}


/* Le menu */

#menu
{
  float: left;
  width: 200;
}

.element_menu
{

  background-image: url("http://img404.imageshack.us/img404/6513/barremenutp4.png");
  background-repeat: no-repeat;
 
 
 

}


/* Quelques effets sur les menus */


.element_menu h3
{ 
  color: #B3B3B3;
  font-family: Arial, "Century Gothic", "Century Gothic", Times, serif;
  text-align: center;
}

.element_menu ul
{
  list-style-image: url("");
  padding: 0px;
  padding-left: 20px;
  margin: 0px;

}

.element_menu a
{
  color: #B3B3B3;
}

.element_menu a:hover
{
  background-color: #B3B3B3;
  color: black;
}


/* Le corps de la page */

#corps
{
  margin-left: 140px;
  margin-bottom: 20px;
  padding: 5px;
 
  color: #B3B3B3;
  background-color: #626262;
  background-image: url("http://img172.imageshack.us/img172/3706/firstdesigncopievn8.jpg");
  background-repeat: repeat-x;
 
  border: 2px solid black;
}

#corps h1
{
  color: #B3B3B3;
  text-align: center;
  font-family: Arial, "Arial Black", "Times New Roman", Times, serif;
}

#corps h2
{
  height: 30px;

  background-image: url("images/titre.png");
  background-repeat: no-repeat;
 
  padding-left: 30px;
  color: #B3B3B3;
  text-align: left;
}


/* Le pied de page (qui se trouve tout en bas, en général pour les copyrights) */

#pied_de_page
{
  padding: 5px;

  text-align: center;

  color: #B3B3B3;
  background-color: #626262;
  background-image: url("images/motif.png");
  background-repeat: repeat-x;
 
  border: 2px solid black;
}

<meta <link rel="stylesheet" media="screen" type="text/css" title="design" href="design.css" />