#contentwrapper{
float: left;
width: 100%;
}

#contentcolumn{
margin: 0 20% 0 20%; /*Margins for content column. Should be "0 RightColumnWidth 0 LeftColumnWidth*/
background:url(../images/mainBG.jpg) repeat-x top;
}

#leftcolumn{
float: left;
width: 20%; /*Width of left column in percentage*/
margin-left: -100%;
background:#A0D08F url(../images/leftBG.jpg) repeat-x top;
}

#rightcolumn{
float: left;
width: 20%; /*Width of right column in pixels*/
margin-left: -20%; /*Set margin to that of -(RightColumnWidth)*/
background:#F9B647 url(../images/rightBG.jpg) repeat-x top;
}

#footer{
clear: left;
width: 100%;
background: black;
color: #FFF;
text-align: center;
padding: 4px 0;
}

#footer a{
color: #FFFF80;
}

.innertube{
margin: 10px; /*Margins for inner DIV inside each column (to provide padding)*/
margin-top: 0;
}