For best results, turn on Wide Load then go to your profile at http://tvtropes.org/pmwiki/profile.php and turn on Lefthand Sidebar. There's also https://greasyfork.org/en/scripts/17047-tvtropes-1-3-wide-and-colorful-greasemonkey-version if you prefer.

Features:

• Changes the color scheme to replace some of the greys with blues, and adds shadows to make things pop
• Shrinks the sidebar to a more managable size
• Prevents the banners in Community Showcase from overflowing
• The editor uses a monospace font once more

Changes in v2.5:

• Grey background for editing and previewing pages.
• History now uses a monospace font for code, and displays line breaks correctly.

Changes in v2.2:

• Now works with subwikis (Darth, Sugar, YMMV, etc.)
• Added shadows to things that were missing them
• Reduced the font size for sidebar menu items by 2%
• Footer is now blue
• Corrected rounded corners on bottom bar
• Toggle switches are now round
• Removed padding fix for Wide Load (TVTropes now includes padding by default)