.moncercle{width:120px;height:120px;border-radius:50%;background-color:#4CAF50;margin:50px auto}.cadre_img{width:150px;height:140px;filter:alpha(opacity=80);-moz-opacity:0.8;opacity:0.8;border-radius:50%;float:left;margin:20px}.blocag{position: fixed!important;top:0}