The following html code is the sample is may help to you.
<!DOCTYPE html>
<html>
<body>
<div id="container" style="width:500px">
<div id="header" style="background-color:#FFA500;">
<h1 style="margin-bottom:0;">Header</h1></div>
<div id="menu" style="background-color:#FFD700;height:200px;width:100px;float:left;">
<b>Left Side </b><br>
</div>
<div id="content" style="background-color:#E23EEEE;height:200px;width:300px;float:left;">
MAIN CONTENT</div>
<div id="right" style="background-Color:#30F04A;height:200px;width:100px;float:right;">
Right Side
</div>
<div id="footer" style="background-color:#FFA500;clear:both;text-align:center;">
Footer</div>
</div>
</body>
</html>
Thanks & Regards
Anand. G