Excerpts Changed Featured Image Effect

Prior to making all posts on the home page show up as excerpts, whenever I hovered over each featured image on the home page, light diagonal bars appeared over it (it still does this to the images in the grid on top). However, once I started doing the post excerpts, the featured images that I hover over on the home page just seem to get lighter. I liked the other effect better, is there any way to restore it?

The site I need help with is futbolpulse.com, thanks!