.affiche {
    width: 400px;
}

.iframe_don {
    width: 1000px; 
    height: calc(100% - 140px); 
    border: none;
    scrollbar-color: #c08552d0 #5E30236e ;
    overflow-x: hidden;
    overflow-y: auto;
    padding-left: 10px;
    position: absolute;
    left: 910px;
}