html, body, div, ul, li, h1, h2,
h3, h4, h5, h6, p, dl, dt, dd, ol,
form, input, textarea, th, td, select {
    margin: 0;
    padding: 0;
    border: 0;
    outline: none;
}

body {
    font-family: "Microsoft YaHei";
    font-size: 14px;
    color: #333;
}

ul, ol, li {
    list-style: none;
}

img {
    border: none;
    vertical-align: middle;
}

a {
    text-decoration: none;
    color: #000;
}

.clear:after {
    content: '';
    display: block;
    clear: both;
}

.left {
    float: left;
}

.right {
    float: right;
}

.hid {
    display: none !important;
}

.show {
    display: block;
}