html {
    background: url(vbg4.jpg) no-repeat;
    height: 100%;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%
}

body {
    background: transparent;
    font-family: "Microsoft Yahei";
}

.wrap {
    margin-top: 180px;
}

.btn-primary {
    border-radius: 2px
}

.form-group input {
    padding-left: 40px;
    background-color: rgba(0, 0, 0, .3);
    border: none;
    color: #fff;
    height: 40px;
    line-height: 40px;
    border-radius: 2px
}

.form-group {
    position: relative;
}

.form-group .fa {
    position: absolute;
    left: 12px;
    top: 15px;
    color: #999
}

h1 {
    color: #fff;
    text-shadow: 2px 2px 2px #000;
}

p {
    color: #efefef
}

.login-box {
    padding: 45px 30px 30px 30px;
    border-radius: 4px;
    background: rgba(0, 0, 0, .5);
    _background: 0 0;
    _border: 0;
    filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr='#66000000', EndColorStr='#66000000')
}