.clearfix:after{
    content:".";
    display:block;
    height:0;
    clear:both;
    visibility:hidden;
}
.clearfix{
    display:inline-block;
}
* html .clearfix{
    height:1%;
}
.clearfix{
    display:block;
}
*{
    margin:0px;
    padding:0px;
}
.clear{
    clear:both;
}
html, body {
    height:100%;
}