div#index_contents{
    width: 1024px;
	height: 620px;
    margin: 0 auto;
    justify-content: center;
}
ul.login_frm{
    width: 1024px;
    height: 600px;
    background-image: url('http://inscorp.synology.me/images/insm/1024_600_login_bg.png');
    background-repeat: no-repeat;
}
div.login_top{
    width: 1024px;
    height: 160px;
}
div.login_middle{
    width: 1024px;
    height: 250px;
    display: flex;
}
ul.login_left{
    width: 200px;
    height: 250px;
}
ul.login_center{
    width: 500px;
    height: 250px;
    display: flex;
    margin-right: 10px;
}
div.login_input{
    width: 400px;
    height: 250px;
    margin-right: 50px;
}
div.login_input ul{
    width: 400px;
    height: 125px;
}
.login_input_1{
    width: 360px;
    height: 60px;
    border: 1px solid #ccc;
    border-radius: 2px;
    padding : 0 10px 0 10px;
    color: #333;
    font-size: 20px;
    font-weight: bold;
}
div.login_btn{
    width: 400px;
    height: 250px;
}
div.login_btn ul.login_submit{
    width: 180px;
    height: 180px;
    line-height: 180px;
    text-align: center;
    border: 1px solid #ccc;
    background-color: #333;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    margin: 3px 0 0 0px;
    border-radius: 10px;
}
div.login_btn ul.login_submit:hover{
    background-color: #fff;
    color: #333;
    cursor: pointer;
}
ul.login_right{
    width: 224px;
    height: 250px;
}
div.login_bottom{
    width: 1024px;
    height: 150px;
    line-height: 40px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: #717171;
}