Untitled

<!DOCTYPE html>
<html>
<head>
    <style>
    * {
    width: 96%;
    margin: 4px;
}

#sidebar {
    float: left;
    background-color: #EEAC57;
    height: 900px;
    width: 40%;
    display: inline;
}

#main  {
    float:right;
    background-color: #D9534F;
    height: 300px;
    width: 55%;
    display: inline;
}

 #footer {
     float:right;
     background-color: #3498DB;
     height: 590px;
     width: 55%;
     display: inline;
 }
    </style>
</head>
<body>
    <div id="sidebar">
    </div>
    <div id="main">
    </div>
    <div id="footer">
    </div>
</body>
</html>