Code guide - Standards for developing flexible, durable and sustainable HTML and CSS written by @mdo.
CSS Linear, Radial and Repeating Gradients
Using gradients declared in CSS. Great article explaining why.
Article by Trent Walton about responsive design
The missing font generator
FontPrep is a font generator for TTF and OTF font files. It generates the font-formats for the web.
Cabel Sasser talk
Amazing talk by Cabel Sasser from Panic at the XOXO Festival (2013). Appreciating Coda 2 even more after his honest speech.
Getting started with pattern libraries
Excellent article in which Anna Debenham explains the work she did for the ALA pattern library.
She also gives a link to her own bookmarks for pattern libraries: Gimme Bar collection of pattern libraries
iOS 7 Colors
iOS 7 inspired colors and gradients reference site
Excellent style guide/pattern library reference Code For America.
SO, YOU’RE A WEB DESIGNER, RIGHT?
What is the role of a web designer nowadays? An article about the changes that came with the awareness of responsive web design and the new workflow of designing in the browser.
Finding the hidden talents of everyday things
iOS7 GUI PSD
A Photoshop template of GUI elements found in the beta 1 release of iOS 7.
This Is Responsive
Collection of interesting links for responsive design
Styleguide & Boilerplate Patterns
Common Patterns in Styleguides, Boilerplates and Pattern Libraries
Responsive web design
Responsive Workflows and Creative Design for Muliple Screen Sizes
Learn CSS Layout
The site "Learn CSS Layout" teaches the CSS fundamentals that are used in any website's layout. Nice and clean tutorial site!
Cross-browser testing simplified
Test your site. In any browser from a Mac or Windows.
The Colour Bookmark
Find out the colour palette of the website you're currently on