owncloud/core — pull request #8072 by icewind1991 (2014-04-05 22:18:57+00:00)
Title: Fix slideshow buttons being invisible

Setting `background-color` instead of `background` allows other stylesheets to overwrite the background color without "messing" with other background properties

Fixes https://github.com/owncloud/gallery/issues/21

cc @jancborchardt @PVince81