.layui-form{
    padding:0 20px 20px 20px;
    width:320px;
    position:absolute;
    right:12%;top:50%;
    margin:-150px 0 0 -150px;
    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    -o-box-sizing:border-box;
    box-sizing:border-box;
    background:#fff;
    box-shadow:0 0 50px #009688
}
.welcome{
    text-align: center;
    margin-top: 20px;
    padding: 30px 0px;
}
.welcome span{
    font-size: 18px;
}
.login-link{
    margin-top: 15px;
    margin-bottom: 15px;
}
.layui-form .layui-btn{
    background-color: #0099ff;
}

#login{
    width:100%;
    height:100%;
    position:relative;
    background-size: 100% 100%;
    background-image:url(../images/login_bg.jpg);
    background-repeat:no-repeat;
    background-position:center;
    background-attachment:fixed;
}
#login_group{
    position: absolute;
    bottom: 0%;
    right: calc(15% + 420px);
    width: calc(89.72vh);
    height: calc(85.19vh);
    background-size: cover;
    background-image:url(../images/login_group.png);
    background-repeat:no-repeat;
    background-position:center;
}