/** 代码重置 **/
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, strong, 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%;
    font: inherit;
    font-weight: normal;
    vertical-align: baseline;
    box-sizing: border-box;
}

html,body {
    position: relative;
    font: 12px/1.6 "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    color: #333333;
    overflow: hidden;
    width: 100%;
    height: 100%;
}
ul,li {
    list-style: none;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section{
    display: block;
}
ol, ul, li{
    list-style: none;
}
table{
    border-collapse: collapse;
    border-spacing: 0;
}
/* custom */
a{
    color: #666;
    text-decoration: none;
    -webkit-backface-visibility: hidden;
}
::-webkit-scrollbar{
    width: 5px;
    height: 8px;
}
::-webkit-scrollbar-track-piece{
    background-color: rgba(0, 0, 0, 0.2);
    -webkit-border-radius: 6px;
}
::-webkit-scrollbar-thumb:vertical{
    height: 5px;
    background-color: rgba(125, 125, 125, 0.7);
    -webkit-border-radius: 6px;
}
::-webkit-scrollbar-thumb:horizontal{
    width: 5px;
    background-color: rgba(125, 125, 125, 0.7);
    -webkit-border-radius: 6px;
}