.number-black
{
	font-weight:bold;
	color:#000000;
	cursor:default;
	text-decoration:none;
	font-size:12px;
}
.small-number
{
	font-weight:bold;
	color:#FFFFFF;
	cursor:default;
	text-decoration:none;
	font-size:12px;
}
.number-over
{
	font-weight:bold;
	color:#0000FF;
	text-decoration:underline;
}
.number-empty
{
	font-weight:normal;
	font-size:12px;
}
.venn5
{
	background-image: url(../img/venn5.png);
}
.venn4
{
	background-image: url(../img/venn4.png);
}
.venn3
{
	background-image: url(../img/venn3.png);
}
.venn2
{
	background-image: url(../img/venn2.png);
}
.venn1
{
	background-image: url(../img/venn1.png);
}