/*----clearfix----*/
.clrfix:after {
    clear: both;
    content: ".";
    display: block;
    font-size: 0;
    height: 0;
    line-height: 0;
    visibility: hidden;
}
.clrfix {
    min-height: 1px;
}
* html .clrfix {
    height: 1px;
}
:first-child + html .clrfix {
}