body
{ 
 background-color: #666666;
} 
.main
{
 position: absolute;
 width: 102%;
 height: 100%;
 top: 0%;
 left: 0%;
 margin-left: auto;
 margin-right: auto;
 align: center;
 background: gray;
 
}
.middle
{
 position: absolute;
 top: 0%;
 left: 0%;
 width: 100%;
 height: 100%;
 backgroud: red;
 
}
.middle2
{
 position: absolute;
 top: 0%;
 left: 0%;
 width: 100%;
 height: 100%;
 backgroud: red;
 overflow: auto;
}
.top
{
 position: absolute;
 top: 0%;
 left: 10%;
 width: 80%;
 height: 20%;
 background: blue;
 align: top;
}
.left
{
 position: absolute;
 top: 20%;
 left: 10%;
 width: 20%;
 height: 100%;
 background: green;
  
 
}
.center
{
 position: absolute;
 top: 20%;
 left: 30%;
 width: 60%;
 height: 100%;
 background: maroon;
 align: center;
 
}
.bottom
{

 position: absolute;
 width: 80%;
 height: 10%;
 background: yellow; 
 left: 10%;
 
 bottom: 0%;
 float: bottom;
 
 
}
table.main_table 
{ 
 color: #ffffff;
 width: 80%; 
 height: 100%; 
 background-color: #000000; 
} 
table.main_table tr
{
 
}   
a.boldbuttons
{
 background: transparent url('images/roundedge-gray-left.gif') no-repeat top left;
 display: block;
 float: left;
 font: bold 13px Arial; /* Change 13px as desired */
 line-height: 22px; /* This value + 4px + 4px (top and bottom padding of SPAN) must equal height of button background (default is 30px) */
 height: 30px; /* Height of button background height */
 padding-left: 8px; /* Width of left menu image */
 text-decoration: none;
}

a:link.boldbuttons, a:visited.boldbuttons, a:hover.boldbuttons, a:active.boldbuttons
{
 color: white; /*button text color*/
}

a.boldbuttons span
{
 background: transparent url('images/roundedge-gray-right.gif') no-repeat top right;
 display: block;
 padding: 4px 10px 4px 2px; /*Set 10px to be equal or greater than'padding-left' value above*/
}

a:hover.boldbuttons
{ 
 text-decoration: underline;
}

.buttonwrapper
{ /* Container you can use to surround a CSS button to clear float */
 overflow: hidden; /*See: http://www.quirksmode.org/css/clearing.html */
 width: 70%;
}