http://www.washingtoninstitute.org/js/mediaelement/mediaelementplayer.css
https://haya.om/desktopmodules/DigFlash/controls/mediaelement/mediaelementplayer.css
http://smilepolitely.com/_assets/js/vendor/mediaelement/src/css/mediaelementplayer.css
http://www.guitarworld.de/mplayer/mediaelementplayer.css
http://station.ee/js/mediaelement/build/mediaelementplayer.css