/**
 * 登录页
 */
.login-panel{
    position: absolute;
    margin-top:-160px;
    margin-left: -200px;
    top: 50%;
    left: 50%;
    width: 400px;
    min-height: 320px;
}
.login-panel .form-group .alert{
    padding-top: 2px;
    padding-bottom: 2px;
}
/**
 * 注册页
 */
.register-panel{
    position: absolute;
    margin-top:-200px;
    margin-left: -200px;
    top: 50%;
    left: 50%;
    width: 400px;
    min-height: 400px;
}