* {
    font-family: 微软雅黑;
}

html {
    font-size: 13px;
}

body {
    background: no-repeat;
    background-size: 100% auto;
    background-position: center;
}

.top {
    width: 100%;
    height: 20%;
    background: #ffffff;
}

.center {
    width: 100%;
    height: 50%;
}

.bottom {
    width: 100%;
    height: 30%;
    background: #ffffff;
}

.login {
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.login-user {
    background: #ffffff;
    width: 380px;
    border-radius: 4px;
    padding: 20px 0px;
}

.login-title{
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 4px;
}





@media screen and (max-width: 768px) {
    .signinpanel, .signuppanel {
        margin: 0 auto;
        width: 420px !important;
        padding: 20px
    }
}

@media screen and (max-width: 320px) {
    .signinpanel, .signuppanel {
        margin: 16% auto 0;
        width: auto
    }
}