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"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."

CSS is made and hosted Stevenf

Userscript version of Shutup.css, it loads this CSS on the webpage: http://stevenf.com/pages/shutup/shutup-latest.css

Here's the main site for information about the CSS, Safari & Google Chrome extension and bookmarklet.

It's also hosted on Github, you can contribute to the CSS there: https://github.com/panicsteve/shutup-css