body {
	font-family: 'Trebuschet MS', Verdana, sans-serif;
	background-color: white;
	margin: 0px;
	height:660px;
	}
	#page{
	width: 750px;
	background-color: white;			
	margin: auto;
	}
	#column1 {
	width: 584px;
	border-left: 1px solid black;
	border-top: 1px solid black;
	border-right: 3px solid black;
	border-bottom: 3px solid black;
	background-color: white;
	color: black;
	height: 371px;
	font-size:50px;
	}
	#footer {
	width: 746px;
	height: 23px;
	margin-top: -10px;
	}
	#column2 {
	width: 150px;
	height: 580px;
	margin-left:590px;
	position: absolute;
	top: 3px;
	}
	.problemcontainer {
	position: absolute;
	top: 30px;
	padding-top: 40px;
	text-align:center;
	width: 582px;
	height: 190px;
	background-color: white;
	}
	#problemcontainer1 {
	z-index:1;
	cursor: pointer;
	background-color: white;
	}
	#problemcontainer2 {
	z-index:-1;
	clip: rect(0px 0px 0px 0px);
	cursor: pointer;
	background-color: white;
	}
	#header {
	display: block;
	height: 10px;
	width: 584px;
	margin: 1px;
	padding: 0px;
	overflow: hidden;
	}
	.exponent {
	position:relative;
	top: -35px;
	text-align: center;
	font-size:25px;
	}
	.number {
	position:absolute;
	right: 340px;
	top: 40px;
	text-align: center;
	}
	.answer {
	position:absolute;
	left:340px;
	top: 40px;
	width: 65px;
	text-align: center;
	}
	.textbox {
	width:100px;
	position: absolute;
	left:-400px;
	}
	.textbox2 {
	width:100px;
	position: absolute;
	left:60px;
	top: -400px;
	}
	.sign {
	width: 56px;
	height:61px;
	position:absolute;
	left:260px;
	top:38px;
	}
	img  {border:0;}
	.arrowButton {
	color: black;
	font-size: 12pt;
	font-weight: bold;
	cursor: pointer;
	}
	.arrowButton1 {
	color: gray;
	font-size: 12pt;
	font-weight: bold;
	cursor: pointer;
	}
	#checkmark {
	position: absolute;
	left:210px;
	top: 2px;
	}
	#reset {
	position: absolute;
	left:10px;
	top: 2px;
	}
	.subcontainer {
	position: absolute;
	top: 120px;
	left:0px;
	padding-left:240px;
	width: 62px;
	color: black;
	font-size: 25px;
	text-align:right;
}
	#subcontainer1 {
	visibility: hidden;
	}
	#subcontainer2 {
	visibility: hidden;
	}
.helpans {
	border-top: 1px solid black;
}
#helpans12 {
	border-top: 0px solid rgb(170, 0, 255);
	width: 80px;
}
#helpans22 {
	border-top: 0px solid rgb(170, 0, 255);
}
.helper{
}
.switch {
position: relative;
top: 340px;
left: 10px;
color: black;
font-size: 12px;
cursor:pointer;
z-index:2;
}
.switch2 {
position: relative;
top: 340px;
left: 10px;
color: gray;
font-size: 12px;
font-weight: normal;
cursor:pointer;
z-index:2;
}
.closebox1 {
position: absolute;
top: 0px;
right: 4px;
color:black;
cursor:pointer;
}
.closebox2 {
position: absolute;
top: 0px;
right: 4px;
color: gray;
cursor:pointer;
}	
#instructions {
position: absolute;
z-index: 100;
visibility: hidden;
margin: 0px 0;
padding-left: 6px;
padding-bottom: 3px;
padding-right: 6px;
width: 700px;
height: 570px;
border-top: 8px ridge gray;
border-right: 8px ridge gray;
border-left: 8px ridge gray;
border-bottom: 8px ridge gray;
font-size: 20px;
color: black;
background-color: white;
}
h1, h2 {
font-size: 20px;
font-weight: normal;
display: inline;
}