Responsive Themeing With Aurora Theme, SASS, and BEM Syntax (Drupal Camp Toronto 2014)
CSS preprocessors
Game jump: frontend introduction #1
Dallas Drupal Days 2012 - Introduction to less sass-compass
Microsoft TechDays - CSS3 Presentation
It's Business Time: Givin' User Experience Love with CSS3
SASS, Compass 1.1
Theming Sencha Touch
CSS Master Class: Part 1
Frankie kam soup up i moot quiz with javascript css j-query (15th may 2014)
Wordless, stop writing WordPress themes like it's 1998
Web design using compass