* {
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    width: 100%;
    background: #F8F9FA;
    text-align: center;
    font-family: 'PingFang SC';
}
@media (prefers-color-scheme: dark) {
    html,body {
        background: #3B3B3D;
    }
}