.login_from .container{
    height: 320px;
    width: 420px;
    position: absolute;
    margin: auto;
    right: 0;
    left: 0;
    bottom: 0;
    top:0;
    z-index: 100;
    background: #FFF;
    border-radius: 10px;
    box-shadow: 0 3px 18px rgba(151, 151, 151, 0.5);
    padding: 20px;
    font-size: 16px;
}
.login_from .container h2{
    text-align: center;
}
.login_from .container input{
    width:300px;
    height: 50px;
    border-radius: 5px;
}
.login_from .layui-form-item{
    margin-left: -20px;
    margin-top: 30px;
    margin-bottom: 15px;
}
.login_from .layui-btn{
    width:300px;
    border-radius: 5px;
    margin-left: -20px;
    font-size: 16px;
}