#maincontainer
{
	width: 700px; /*Width of main container*/
	margin: 0 auto; /*Center container on page*/
}
#topsection
{
	height: 136px; /*Height of top section*/
}
#contentwrapper
{
	float: left;
	width: 100%;
}
#contentcolumn
{
	margin: 0 140px 0 160px; /*Margins for content column. Should be "0 RightColumnWidth 0 LeftColumnWidth*/
}
#leftcolumn
{
	float: left;
	width: 160px; /*Width of left column in pixel*/
	margin-left: -700px; /*Set margin to that of -(MainContainerWidth)*/
}
#rightcolumn
{
	float: left;
	width: 140px; /*Width of right column*/
	margin-left: -142px; /*Set left margin to -(RightColumnWidth)*/
}

#footer
{
	clear: left;
	width: 100%;
}
.innertube
{
	margin: 10px; /*Margins for inner DIV inside each column (to provide padding)*/
	margin-top: 0;
}