.button {
	text-decoration: none;
	text-align: center;
	cursor: hand;
	display: block;
	vertical-align: middle;
	font-size: 20px;
}
.button strong {
	color: #000;
	background: transparent no-repeat top right;
	position: relative;
	display: block;
	right: -4px;
}
.button strong strong {
	background: transparent no-repeat bottom left;
	top: 5px;
	left: -4px;
	right: 0;
}
.button strong strong strong {
	background: transparent no-repeat bottom right;
	padding: .1em 0 .3em 0;
	top: auto;
	right: -4px;
	left: auto;
	text-indent: -5px;
}
.button em {display:block; font:70% arial;}

.button {background-image:url(/lib/img/button/yellow/lefttop.gif);}
.button strong {background-image:url(/lib/img/button/yellow/righttop.gif);}
.button strong strong {background-image:url(/lib/img/button/yellow/bottomleft.gif);}
.button strong strong strong {background-image:url(/lib/img/button/yellow/bottomright.gif);}

.button:hover {color:#000;background-image:url(/lib/img/button/green/lefttop.gif);}
.button:hover strong {background-image:url(/lib/img/button/green/righttop.gif);}
.button:hover strong strong {background-image:url(/lib/img/button/green/bottomleft.gif);}
.button:hover strong strong strong {background-image:url(/lib/img/button/green/bottomright.gif);}