In the Oxygen theme on my site there is a section on the front page below the showcase feature entitled Recent Articles. When you mouse over a post with a featured image in that section, the mouse over produces a blue box which says "Read Article" - click on it and the rest of the article is displayed.
I am running the showcase on the web site with several posts and I would like the same "Read Article" mouse over for each of the large featured images in the showcase slide show.
Can anyone explain in detail how this is done please? Thanks in advance.
The web site is