div.tl {
	background: #f0f0f0 url(../images/corner_grey_LO.jpg) no-repeat top left;
}
div.tr {
	background: transparent url(../images/corner_grey_RO.jpg) no-repeat top right;
}
div.bl {
	background: transparent url(../images/corner_grey_LU.jpg) no-repeat bottom left;
}
div.br {
	background: transparent url(../images/corner_grey_RU.jpg) no-repeat bottom right;
	padding-top: 2em;
}