body {
}

.weixin img.qrcode {
    position: absolute;
    z-index: 99;
    top: 45px;
    right: -25px;
    width: 7.5rem;
    max-width: none;
    height: 7.5rem;
    transform: scale(0);
    transform-origin: top right;
    opacity: 0;
    border: .3125rem solid #808080;
    border-radius: .25rem;
    -webkit-transition: all .4s ease-in-out;
    -o-transition: all .4s ease-in-out;
    transition: all .4s ease-in-out;
}

.weixin:hover img.qrcode {
    transform: scale(1);
    opacity: 1;
}

#yuncai .container {
    width: 100%;
}