body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

fieldset,
img {
    border: 0;
    width: 100%
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
    font-weight: normal;
}

ol,
ul {
    list-style: none;
}

caption,
th {
    text-align: left;
}

q:before,
q:after {
    content: '';
}

abbr,
acronym {
    border: 0;
}


/*通用父子盒子嵌套浮动问题解决，开始*/

.clear {
    margin: 0px auto;
    width: 100%;
    height: 1px;
    font-size: 1px;
    clear: both;
    background: none;
    overflow: hidden;
}

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

.clearfix {
    display: inline-block;
}

* html .clearfix {
    height: 1%;
}

.clearfix {
    display: block;
}


/*通用父子盒子嵌套浮动问题解决，结束*/


/*间隙层开始*/

.space_hx {
    /*横向间隙*/
    clear: both;
    width: 100%;
    height: 20px;
    font-size: 1px;
    overflow: hidden;
}

.space_zx {
    /*纵向间隙*/
    float: left;
    width: 10px;
    font-size: 1px;
    overflow: hidden;
}


/*间隙层结束*/