body {
    background: rgba(0, 0, 0, 0) url("/index2_elemei/112.jpg") repeat scroll 0 0;
    text-align: center;
}
.content {
    background: rgba(0, 0, 0, 0) url("/index2_elemei/111.jpg") repeat scroll 0 0;
    box-shadow: 0 0 7px 0 rgba(0, 0, 0, 0.3);
    margin: auto;
    padding: 20px;
    width: 90%;
}
.content iframe {
    height: 260px;
    margin: 15px;
    width: 400px;
}

.back {
    color: #bf0000;
    left: 20px;
    position: absolute;
    top: 25px;
}