.cat_menu_container ul
{
	display: block;
	position: absolute;
	top: 100%;
	left: 0;
	visibility: hidden;
	opacity: 0;
	min-width: 100%;
	background: #FFFFFF;
	box-shadow: 0px 10px 25px rgba(0,0,0,0.1);
	-webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    -ms-transition: opacity 0.3s ease;
    -o-transition: opacity 0.3s ease;
    transition: all 0.3s ease;
}