html, body, div, span, h1, h2, h3, h4, h5, h6, p, pre, a, address, big, cite, em, img, q, small, strong, sub, sup, b, i, dl, dt, dd, ol, ul, li, form, label, table, tbody, tfoot, thead, tr, th, td, footer, header, menu, nav, output, section, time, audio, video, button, input {
    font-size: 14px;
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    border: none;
    line-height: 1;
    vertical-align: baseline;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    color: #666;
    text-decoration: none;
    border: none;
    outline: medium;
    transition: all .1s;
}

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset, img {
    border: 0;
    vertical-align: top;
}

address, caption, cite, code, dfn, em, strong, th, var {
    font-style: normal;
    font-weight: normal;
}

ol, ul {
    list-style: none;
}

caption, th {
    text-align: left;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

abbr, acronym {
    border: 0;
}

pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}