body {
    padding-top: 50px;
    padding-bottom: 20px;
    font-size: 100%;
    color: #4c4c4c;
    background-image: url(/Content/Image/bg.png);
    background-repeat: repeat-y;
    font-family: Microsoft YaHei UI;
}
 .login {
    margin: 20px auto;
    min-height: 480px;
    min-width: 768px;
    padding-top: 30px;
    position:relative;
}

/*.body-content {
    position:static;
}*/

.login::after {
    content:"";
    display:block;
    background-image: url(/Content/Image/audibg.png);
    background-repeat: repeat-x;
    opacity: 0.8;
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

    .input-group {
        margin-top: 10px;
    }

.logins {
    height: 270px;
    width: 476px;
    background-color: rgba(255,255,255,0.8);
    margin-left: 100px;
    position: static;
    -moz-box-shadow: 10px 10px 5px #888888; /* 老的 Firefox */
    box-shadow: 10px 10px 5px #888888;
}

.logotitle {
    font-size: 250%;
    text-align: center;
    padding-top: 30px;
}

.loginbutton {
    text-align: center;
    height: 35px;
    padding: 4px;
    color: #fff;
    background-color: rgba(76,76,76,0.7);
    font-size: 200%;
}

.loginbutton a {
    width: 50px;
    text-align: center;
    padding-top: 4px;
    color: #fff;
}

.loginbutton a:hover {
    color: #ddd;
}

.tuvlogo {
    height: 108px;
    width: 111px;
    background-image: url(/Content/Image/tuv_log.png);
    position: absolute;
    margin-left: 25px;
    margin-top: 10px;
}