[SOLVED] Eximium question

I installed the Eximium template in Joomla.. but I'm confused as to how I tint the background of my articles like the example has.

Here is the example page Joomla! Templates, Joomla! Extensions and Wordpress Themes Demo


You see how when you scroll down each Article has the background either white or tinted grey? How do I make that happen?

Right now I'll I'm doing is going into Joomla and adding new articles. They appear on the homepage but the background is always white.

Another thing. On the example page there is a sliding menu of sorts.. in the second article. Is that included in the template? How do I add something like that?

Any help would be appreciated.

Thanks!

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What is your CMS version?: WordPress 3.x

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Is this personal or client website?: Personal