/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css 使所有样式重置为默认值*/
html {
    font-family: sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%
}

body {
    margin: 0
}

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
    display: block
}

audio, canvas, progress, video {
    display: inline-block;
    vertical-align: baseline
}

audio:not([controls]) {
    display: none;
    height: 0
}

[hidden], template {
    display: none
}

a {
    background-color: transparent;
    text-decoration: none;
}

a:active, a:hover {
    outline: 0
}

abbr[title] {
    border-bottom: 1px dotted
}

b, strong {
    font-weight: bold
}

dfn {
    font-style: italic
}

h1 {
    font-size: 2em;
    margin: .67em 0
}

mark {
    background: #ff0;
    color: #000
}

small {
    font-size: 80%
}

sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline
}

sup {
    top: -0.5em
}

sub {
    bottom: -0.25em
}

img {
    border: 0
}

svg:not(:root) {
    overflow: hidden
}

figure {
    margin: 1em 40px
}

hr {
    box-sizing: content-box;
    height: 0
}

pre {
    overflow: auto
}

code, kbd, pre, samp {
    font-family: monospace, monospace;
    font-size: 1em
}

button {
    overflow: visible
}

button, select {
    text-transform: none
}

button, html input[type="button"], input[type="reset"], input[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer
}

button[disabled], html input[disabled] {
    cursor: default
}

button::-moz-focus-inner, input::-moz-focus-inner {
    border: 0;
    padding: 0
}

input {
    line-height: normal
}

input[type="checkbox"], input[type="radio"] {
    box-sizing: border-box;
    padding: 0
}

input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button {
    height: auto
}

input[type="search"] {
    -webkit-appearance: textfield;
    box-sizing: content-box
}

input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none
}

fieldset {
    border: 1px solid silver;
    margin: 0 2px;
    padding: .35em .625em .75em
}

legend {
    border: 0;
    padding: 0
}

textarea {
    overflow: auto
}

optgroup {
    font-weight: bold
}

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

td, th {
    padding: 0
}

.sn-flex-container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -ms-flex-align: start;
    align-items: flex-start;
}

.sn-flex-1 {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
}

.sn-flex-2 {
    -webkit-box-flex: 2;
    -webkit-flex: 2;
    -ms-flex: 2;
    flex: 2;
}

.sn-flex-3 {
    -webkit-box-flex: 3;
    -webkit-flex: 3;
    -ms-flex: 3;
    flex: 3;
}

.sn-flex-4 {
    -webkit-box-flex: 4;
    -webkit-flex: 4;
    -ms-flex: 4;
    flex: 4;
}

.sn-flex-5 {
    -webkit-box-flex: 5;
    -webkit-flex: 5;
    -ms-flex: 5;
    flex: 5;
}