The ultimate CSS tools for web designers | CSSmatic
Gradient generator, border radius, noise and box shadow
geuis/helium-css · GitHub
Helium is a tool for discovering unused CSS across many pages on a web site
Mobile Emulators and Simulators - The ultimate guide to mobile developers | Breaking the Mobile Web
Links to all the available mobile emulators!
Vikjavev.no - Unsharp Mask for PHP
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