To get the most out of this style sheet, also install this Greasemonkey script:
http://userscripts.org/scripts/show/57083
(It fixes some whitespace problem in work item descriptions in issue tracker as well as adds permalinks to discussion posts)

The CSS patch provides bug fixes and improves usability for project pages on codeplex.com (releases, discussions, issue tracker, source code)

• Font-family "Arial" instead of "Segoe"
• Visited link color restored
• Original button-look for form elements
• Banner height reduced
• Removing some redundant images
• Bug fixed where clicking in white area selects all text
• Menu height reduced
• Black headings instead of green
• Fluid page layout instead of horizontal scrolling
• Monospace font in issue tracker so that source code can be read easily
• Left-bottom border around comments in issue tracker
• Monospace font in source code viewer
• Enlarged "Previous" and "Next" buttons in pagination controls