body {
    background: #f4f4f4;
    color: #333;
    font-family: "Helvetica Neue", Helvetica, Microsoft YaHei, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.27;
    -webkit-text-size-adjust: 100% !important;
    -webkit-user-select: none;
    user-select: none;
    -webkit-font-smoothing: antialiased;
}
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td {
    margin: 0;
    padding: 0
}
img {
    border: 0 none;
}
a, a:focus, a:link, a:active, a:visited {
    text-decoration: none;
    color: #333;
}
ul, li {
    list-style: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0
}
em, i {
    font-style: normal
}
strong, b {
    font-weight: 700
}
input, img, button {
    vertical-align: middle;
}
input, select, textarea {
    font-size: 14px;
    border: 0;
    border-radius: 0;
    background-color: white;
    -webkit-appearance: none;
}
textarea:focus {
    outline: 0
}
input {
    outline: 0;
}
input[type="search"] {
    -webkit-appearance: none;
}
input::-webkit-search-cancel-button {
    display: none;
}
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0;
}
del {
    color: #999;
    font-size: 12px;
}
* {
    -webkit-tap-highlight-color: transparent;
    outline: 0;
}
.tx-c {
    text-align: center;
}
.tx-l {
    text-align: left;
}
img.size15 {
    width: 16px;
    height: 16px;
}
img.size20 {
    width: 20px;
    height: 20px;
}
img.size30 {
    width: 30px;
    height: 30px;
}
img.size40 {
    width: 40px;
    height: 40px;
}
img.size43 {
    width: 44px;
    height: 44px;
}
img.size50 {
    width: 50px;
    height: 50px;
}
img.size60 {
    width: 60px;
    height: 60px;
}
img.size80 {
    width: 80px;
    height: 80px;
}
.demo {
    width: 750px;
    height: 120px;
    background-color: #eee;
}