ul.grid li
{
    width:31%;
}


nav[role=navigation] ul li a {
	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../img/NavButton.png', sizingMethod='scale');
	-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../img/NavButton.png', sizingMethod='scale')";    
}