#contenant_emag{
width:780px;
margin:-30px 0 0 -30px;
padding-top:20px;
background-image:url(http://www.canalplus-afrique.com/fileadmin/templates/img/emag/bg_emag.jpg);
height:500px;
background-repeat:no-repeat;
}

.paragraphe_emag{
margin:0px 0px 10px 30px;
padding:15px;
position:relative;
top:0;
width:690px;
background-color:#ffffff;
opacity : 0.9;
    filter : alpha(opacity=90); 
}