html
	{
	height:100%;
	}
body
	{
	height:100%;
	background: -moz-linear-gradient(top,lightblue,purple);
	background: -webkit-gradient(linear,left top,left bottom,from(lightblue),to(purple));
	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='lightblue',endColorstr='purple');
	background-image: -ms-linear-gradient(lightblue,purple);
	}
#mainDiv
	{
	margin: 0 auto;
	position:relative;
	width:650px;
	height:350px;
	border-style:inset;
	border-width:0px;
	border-color:red;
	}
#problem
	{
	border-width:10px;
	border-style:ridge;
	border-color:blue;
	background-color:lightgray;
	}
#choices
	{
	position:absolute;
	left:420px;
	top:0px;
	width:220px;
	height:300px;
	border-width:5px;
	border-style:ridge;
	border-color:blue;
	background-color:lightgray;
	}
#xValue,#yValue
	{
	text-align:center;
	}
#xValueLbl,#yValueLbl
	{
	background-color:gray;
	text-align:center;
	font-size:14pt;
	}