12 Little-Known CSS Facts
www.sitepoint.com/12-little-known-css-facts/
CSS is not an overly complex language. But even if you've been writing CSS for many years, you probably still come across new things — properties you've never used, values you've never considered, or specification details you never knew about.
DRY-ing Out Your Sass Mixins
alistapart.com/article/dry-ing-out-your-sass-mixins
One of the most powerful features of the CSS preprocessor Sass is the mixin, an abstraction of a common pattern into a semantic and reusable chunk.
Brick
A new webfonts service that claims having fonts that actually look good.
JS Manners
JS Manners is a tool to score scripts that 3rd parties (people or companies outside your dev team) provide for you to put on your page.
Slick
It's a new type of carousel, fully responsive, scales with its container, separate settings per breakpoint, uses CSS3 when available and it's fully functional when not.
Tiny PNG
TinyPNG uses smart lossy compression techniques to substantially reduce the file size of your PNG files.