/* 清除边距 */

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

img {
    border: 0;
    vertical-align: middle;
}

a {
    text-decoration: none;
}
a{
    color: #000;
}

.none {
    display: none;
}

button {
    cursor: pointer;
}


/* 浮动 */

.fl {
    float: left;
}

.fr {
    float: right;
}


/* 清除浮动 */

.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0;
}

.clearfix {
    *zoom: 1
}