header{
position:fixed;
left:0px;top:0px;  
margin: 0px 0px 0px 0px; 
width:100%;height:60px;
background:#988a20;
z-index:4;
} 

aside{
position:fixed;
left:0px;top:60px;  
margin: 0px 0px 0px 0px; 
width:240px;height:100%;
background:#bbb;
font-size:16px;
font-weight:bold;
line-height:180%;
text-shadow: 2px 2px 2px rgba(0,0,0,0.2);
z-index:2;
} 

nav{
position:fixed;
left:240px;top:60px;  
width:100%;height:40px;
padding:  10px 0px 0px 20px; 
background:#ddd;
font-size:18px;
color:#333;
font-weight:bold;
text-shadow: 2px 2px 2px rgba(0,0,0,0.2);
z-index:3;
} 


section{
position:absolute;
left:240px;top:100px;  
margin: 10px; 
width:800px;height:100%;
background:#fff;
font-size:16px;
line-height:160%;
z-index:1;
} 

td{
font-size:18px;
font-weight:normal;
}

a:link { color: blue; }
a:visited { color: green; }
a:hover { color: blue; }
a{text-decoration:none;}