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

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

fieldset, img {
    border: 0;
}

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

ol, ul {
    list-style: none;
}

caption, th {
    text-align: left;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: normal;
    font-size: 100%;
}

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

abbr, acronym {
    border: 0;
}

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;
}

body, button, input, select, textarea {
    font: 12px/1.5 tahoma, arial, \5b8b\4f53;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
}

address, cite, dfn, em, var {
    font-style: normal;
}

code, kbd, pre, samp {
    font-family: couriernew, courier, monospace;
}

small {
    font-size: 12px;
}

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}
sup {
    vertical-align: text-top;
}

sub {
    vertical-align: text-bottom;
}

legend {
    color: #000;
}

fieldset, img {
    border: 0;
}

button, input, select, textarea {
    font-size: 100%;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}
iframe{
    border-width:0;
}
/*清除浮动*/
.clearfix {
    *zoom: 1;
}
.clearfix:before,
.clearfix:after {
    display: table;
    line-height: 0;
    content: "";
}
.clearfix:after {
    clear: both;
}