* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    background-repeat: no-repeat;
    box-sizing: border-box;
    user-select: none;
}
::-webkit-scrollbar {
    display: none;
}
html,
body {
    height: 100%;
    background: url(../img/czbg.png) no-repeat;
    background-size: 100%;
    height: 100%;
    /* background: none; */
    /* background-color: #000; */
}