body {
    background-color:aqua;
    border:3px solid black;
    width:800px;
    height:500px;
}

div.div{
    border: 3px solid black;
    text-align:center;

}

div.footdiv{
    border:1px solid black;
    position:absolute;
    top:470px;
    left:230px;
    background-color:lightgreen;


}



div.nav_div{

    border: 1px solid black;
    height:100px;
    width:800px;
    background-color:lightgreen;

}

div.odiv{

    height:200px;
    width:200px;
    border:2px solid black;
    left:300px;
    position:absolute;

}

#content{

height:200px;
width:200px;
}