* {
    padding: 0;
    margin: 0;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    /* background-color: #000; */
    font: 12px/1.5 Arial, Helvetica, sans-self, "Microsoft YaHei";
}

iframe {
    border: none;
}

input {
    border: none;
    outline: none;
}

a {
    text-decoration: none;
}