* {
    box-sizing: border-box;
    outline: none;
    font-family: Myriad Pro, "Microsoft Yahei", Source Han Sans CN, sans-serif;
}

a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video {
    border: 0;
    font-size: 100%;
    font: inherit;
    margin: 0;
    padding: 0;
    vertical-align: baseline;
}

html {
    width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    color: #333;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

a {
    cursor: pointer;
    color: inherit;
    text-decoration: none;
}

a:hover {
    color: #000;
}

a.muted,
a.muted:hover {
    color: initial;
    cursor: initial;
}

html,
input,
button,
option,
textarea,
select {
    font-size: inherit;
}

input,
select,
textarea,
button {
    outline: none;
}

h1,
h2,
h3 {
    font-weight: normal;
}

h1 {

}

h2 {

}

.clearfix::after{
    content: "";
    display: block;
    clear: both;
    width: 100%;
}

article header {
    text-align: center;
}