Shutup.css

Hide comments from different sites

"shutup.css is a custom user stylesheet that can be applied to your browser to hide comments on many popular web sites without user intervention."

Userscript version of Shutup.css, it loads this CSS on the webpage: http://stevenf.com/shutup/shutup-latest.css
The main site of Shutup.css contains information about the CSS, Safari / Google Chrome extension and bookmarklet.
CSS is made and hosted by Stevenf
CSS is also hosted on Github, you can contribute there: https://github.com/panicsteve/shutup-css