* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft Yahei", helvetica neue, helvetica, pingfang sc, tahoma, arial, sans-serif;
}

a,
a:focus,
a:hover {
    text-decoration: none;
    outline: none;
}

input {
    outline: none;
    background: none;
    border: none;
}

ul, li {
    display: block;
    list-style: none;
}