#topcontent{
position: fixed;
top: 0;
left: 0;
width: 100%; /*Width of frame div*/
height: 100px;
overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/
background: navy;
color: navy;
}



#leftcontent{
position: fixed;
top:100px;
bottom: 0;
left: 0;
width: 200px; /*Width of frame div*/
height: 100%;
overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/
background: navy; /*#86cfff;*/
color: white;
}

#maincontent{
position: fixed;
top: 100px;
left: 200px; /*Set left value to WidthOfFrameDiv*/
right: 0;
bottom: 0;
overflow: auto;
background: #86cfff;
}
.innertube{
margin: 15px; /*Margins for inner DIV inside each DIV (to provide padding)*/
}

#window1{
background:gray;
width:50%;
height:300px;
}

#window2{
background:#87ffff;
width:100%;
height:300px;
}

H1.class_title {font-size:18pt;font-weight:bold; color:white}
H2.class_heading {font-size:14pt;font-weight:bold; color:black}
H3.class_heading {font-size: 12pt; font-weight:bold; color:red}
H3.class_big {font-size: 12pt; font-weight:bold; color:black}
H3.class_med {font-size: 11pt; font-weight:bold; color:black}
H3.class_wmed {font-size: 10pt; font-weight:bold; color:white}
H3.class_wsmall {font-size: 8pt; font-weight:bold; color:white}
H3.class_small {font-size: 8pt; font-weight:bold; color:black}
H3.class_red {font-size: 8pt; font-weight:bold; color:maroon}
h4.class_mail {font-size: 8pt; font-weight:bold; color:blue}
span.class_title{font-size: 12pt; font-weight:bold; color:#800000; text-align:center}
span.heading{font-size: 10pt; font-weight:bold; color:red; text-align:center}
span.stress{font-size: 8pt; font-weight:bold; color:black}
span.fancy{font-size: 8pt; font-weight:bold; color:white}