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

    .main {
        position: absolute;
        left:170px; top:0; right:0; bottom:0; width: 1000px;
    }

    .codebox {
    /* Below are styles for the codebox (not the code itself) */
        border:1px solid black;
        background-color:#EEEEFF;
        width:655px;
        overflow:auto;    
        padding:10px;
    }
    .codebox code {
    /* Styles in here affect the text of the codebox */
        font-size:0.9em;
    /* You could also put all sorts of styling here, like different font, color, underline, etc. for the code. */
    }

    #menu {
      position: absolute;
      left: 5px;
      top: 50%;
      width: 8em;
      margin-top: -2.5em;
      padding:5px;
      background-color: #dcdcdc;
      border: 1px solid #666;
    }
/*
.top { background: blue; }
.left { background: red; }
.main { background: yellow; }
*/