img.superbg {
position: fixed;
    top:0;
    left:0;
    z-index:-1;
}





a1 {
  display: inline-block;
  width: 50px;
  text-decoration: none;
}
// centrer
ce {
 text-align: center;
}
// a droite
ri{
 text-align:right; 
}
#contenu {
margin-left:245px;
// background-color:#000000;
}







header
{
position : fixed;
width : 100%;
top : 1;
left:190;
z-index:2;
}
header div {
    height : 38px;
background-color: rgba(255, 247, 216, 0.3);
  background-image: url(image-coach/Sans-titre-1.png);
    border : 0px solid black;
text-align : center;
top:661px;

	width:890px;
}

#contenu
{
margin : 61px 10%; <!-- 155-94=61 -->
text-align : justify;
z-index: 1;
}
#menu {
    width : 60%;
    margin-top:54px;
}
#menu div {
    z-index:1;
    position: relative;
}