how to make a div to wrap two float divs inside?

Question

I don\'t know if it\'s a common problem, but I can\'t find the solution in web so far. I would like to have two divs wrapped inside another div, however these two divs insid

Answer 1

HTML

CSS

.clearFloat {
    font-size: 0px;
    line-height: 0px;
    margin: 0px;
    padding: 0px;
    clear: both;
    height: 0px;
}