How to make a page with header and left-sidebar?

Question

I\'d like to make a webpage like this:

|----------------------------|
|            header          |
|----------------------------|
|  L  |                           


        

Answer 1

example at jsFiddle

.top {
    position:absolute;
    left:0; right:0;
    height: 92px;
}
.left {
    position:absolute;
    left:0; top:92px; bottom: 0;
    width: 178px;
}
.main {
    position: absolute;
    left:178px; top:92px; right:0; bottom:0;
}