html { 
  margin:0;
  padding:0;
  background: url(../img/bg.png) no-repeat center fixed; 
  -webkit-background-size: cover; /* pour anciens Chrome et Safari */
  background-size: cover; /* version standardisée */
}
.menu
{
float:right;
margin-right: 20px;

}
a:link {
  color: #FFFFFF;
  text-decoration: none;
}

/* visited link */
a:visited {
  color: white;
}

/* mouse over link */
a:hover {
  color: blue;
}

/* selected link */
a:active {
  color: hotpink;
}