add 3 column footer with extra 2 footer in BlogSpot website
On BlogSpot
Find the following section in your Blogger template
<div id='footer-wrapper'>
<b:section class='footer' id='footer'/>
</div>
If you are having difficulty finding this section trying searching for footer-wrap or something similar as sometimes this section is called something else in some templates.
To Add a 3 Column Footer and a extra footer in Blogger, Replace all the code located here with the following