Script Summary: Changes Youtube Layout to black from the 2012's Earth Hour css stylesheet.
Please note: This script is no longer being updated due to my insufficient time to keep up with Youtube's active and persistent layout changes and fixing changes. Feel free to upload your own version of this script as you see fit to keep it updated - even though it's become quite a mess already.
Youtube's Black Theme style used on 2012's Earth Hour. For Firefox [Greasemonkey]
ChangesVer 1.0 • Commencement of the script. Ver 1.01 • Updated '#masthead-container' to change the Youtube header back to black Ver 1.02 • Edited '.feed-item-main .feed-item-actions-line' for better visibility • Edited '#video-sidebar .video-list-item-link .title' for better visibility • Edited '#video-sidebar .recommended-videos-link' for better visibility Ver 1.03 • Edited the settings text colour when editing from settings button on videos Ver. 1.04 • Fixed the 'show more' gradient on the video information • Added gradient button-style themes for the 'Browse' & 'Upload' links Ver. 1.05 • Fixed text visibility for the Youtube Center Script • Changed the Youtube logo to black Ver. 1.06 • Added a couple of font & hover attribute changes (Thanks Burn) Ver. 1.07 • Changed some elements to reflect the new style / layout changes. More to come. Ver. 1.08 • Additional Changes and button colours fixed. • Please note that due to continual changes I'm doing my best to keep this updated. Ver. 1.09 • Further changes to video pages (font colour and time hyperlinks) • NOTE: Please uninstall any previous versions of this script before installing this latest update Ver. 1.10 • Updated the top bar back to black • Fixed graphic issue with the "Like" button Ver. 1.11 - 20th Feb 2013 • Fixed the background on the "show more" bar in video info Ver. 1.12 - 30th July 2013 • Fixed the Imageshack background issue in comments section in videos PLEASE NOTE: Due to Youtube having its layout changed very often, most of these changes break this theme in some aspects. There may be a delay in which I fix these issues but I'll try my best to keep it updated. Cheers.