#header {
        width: 100%;
}

#leftMenu {
        position: relative;
        width: 100px;
        float: left;
        top: 80px;
        left: 0;
}

#content {
        position: relative;
        width: 80%;
        float: left;
        top: 0px;
        padding:1em;
}
      
#footer {
        position: relative;
        clear: left;
        width: 100%;
}