html, body {
    width: 100%;
    height: 100%;
}

.top-0 {
    margin-top: 0 !important;
}

.top-10 {
    margin-top: 10px !important;
}

.top-20 {
    margin-top: 20px !important;
}

.top-25 {
    margin-top: 25px !important;
}

.top-30 {
    margin-top: 30px !important;
}

.top-40 {
    margin-top: 40px !important;
}

.top-50 {
    margin-top: 50px !important;
}

.top-60 {
    margin-top: 60px !important;
}

.top-70 {
    margin-top: 70px !important;
}

.top-80 {
    margin-top: 80px !important;
}

.top-90 {
    margin-top: 90px !important;
}

.top-100 {
    margin-top: 100px !important;
}

.top-percent-10 {
    margin-top: 10% !important;
}

.top-percent-20 {
    margin-top: 20% !important;
}

.top-percent-30 {
    margin-top: 30% !important;
}

.copyright {
    text-align: center;
    width: 100%;
    position: absolute;
    bottom: 30px;
}

.copyright div {
    text-align: center;
    width: inherit;
    color: #505050;
}

body {
    /*上中下顺序    #f2f2f2    #f4f3f2  #cccccc*/
    background: -moz-linear-gradient(top, #f2f2f2 0%, #f4f3f2 20%, #f4f3f2 70%, #cccccc 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f2f2f2), color-stop(20%, #f4f3f2), color-stop(70%, #f4f3f2), color-stop(100%, #cccccc));
    background: -webkit-linear-gradient(top, #f2f2f2 0%, #f4f3f2 20%, #f4f3f2 70%, #cccccc 100%);
    background: -o-linear-gradient(top, #f2f2f2 0%, #f4f3f2 20%, #f4f3f2 70%, #cccccc 100%);
    background: -ms-linear-gradient(top, #f2f2f2 0%, #f4f3f2 20%, #f4f3f2 70%, #cccccc 100%);
    background: linear-gradient(to bottom, #f2f2f2 0%, #f4f3f2 20%, #f4f3f2 70%, #cccccc 100%);

}

.login-logo {
    /*margin-top: 30px;*/
}

.login-right {
    height: inherit;
}

.center-line {
    height: inherit;
    background: -webkit-radial-gradient(circle at -40% 50%, #cccccc, #f4f3f2 35%); /* Safari 5.1 - 6.0 */
    background: -o-radial-gradient(circle at -40% 50%, #cccccc, #f4f3f2 35%); /* Opera 11.6 - 12.0 */
    background: -moz-radial-gradient(circle at -40% 50%, #cccccc, #f4f3f2 35%); /* Firefox 3.6 - 15 */
    background: radial-gradient(circle at -40% 50%, #cccccc, #f4f3f2 35%); /* 标准的语法（必须放在最后） */
}

.row {
    margin-right: 0;
    margin-left: 0;
    margin-top: 0;
}

.col-margin {
    padding-top: 5px !important;
    padding-bottom: 5px !important;
}

.red {
    color: red;
}