.b-close {
    background-color: #282828;
    color: #fff;
    cursor: pointer;
    font: bold 110% sans-serif;
    padding: 0 6px 2px;
    position: absolute;
    right: -4px;
    text-align: center;
    top: 0;
}
.contentPopup {
    background-color: #fff;
    display:none;
    height:500px;
    width:95%;
}
.popup-iframe {
    height:100%;
    width:100%;
}
/* 720px */
@media (min-width: 45em) {
    .contentPopup {
	width:75%;
    }
}