CodeBackspace

<div id="container">
<div id="logo">Logo</div>
<div id="menu">Menu</div>
<div id="header">About</div>
<div id="content">Content</div>
</div>

body
{
margin:50px 0px;
padding:0px;
font-size:90%;
font-family:helvatica,georgia, sans-serif;
text-align:center;
}
#container
{
width:900px;
margin:0px auto;
text-align:left;
padding:       10px 20px 12px 20px;
}
#logo{
height:50px;
}
#menu{
height:25px;
margin-top:10px;
}
#header{
height:100px;
}
#content{
height:500px;
margin-top:10px;
}