html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote,
pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd,
q, s, samp, small, strike, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol,
ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead,
tr, th, td, article, aside, canvas, details, embed, figure, figcaption,
footer, header, hgroup, menu, nav, output, ruby, section, summary, time,
mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
    outline: 0 none;
}
ol, ul {
    list-style: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
caption, th, td {
    text-align: left;
    font-weight: normal;
    vertical-align: middle;
}
q, blockquote {
    quotes: none;
}
q:before, q:after, blockquote:before, blockquote:after {
    content: "";
    content: none;
}
a img {
    border: none;
}
／* 让这些 HTML5 的属性在一些渣的浏览器中以 DIV 的形式跑起来 *／

article, aside, details, figcaption, figure, footer, header, hgroup,
menu, nav, section, summary, main {
    display: block;
}
img {
    height: auto;
}
img, object, embed, video, iframe {
    max-width: 100%;
}
sub {
    top: 6px;
    vertical-align: bottom;
}
sup {
    top: -6px;
    vertical-align: top;
}
small {
    font-size: smaller;
}
q {
    quotes: "“" "”" "‘" "’";
}
q:before {
    content: open-quote;
}
q:after {
    content: close-quote;
}
html {
    box-sizing: border-box;
}
* , * :before, * :after {
    box-sizing: inherit;
}