allitastic

This worked for me, but I have only tested the result in Google Chrome.

In style.css add .li_cont3 to this style:

.li_cont1, .li_cont2 {

	margin-right:15px; float:left;

}

So it will look like this:

.li_cont1, .li_cont2, .li_cont3 {

	margin-right:15px; float:left;

}