I like how he explains separating layout from presentation. When writing the layout code, keep in mind how its coupled to the HTML. This link mentions how "lay

I like how he explains separating layout from presentation. When writing the layout code, keep in mind how its coupled to the HTML. This link mentions how "layout" like z-index is coupled to the structure of HTML, because nesting elements creates new stacking contexts (Z-index is hierarchical - an element's z-index only controls it's depth within the current context, not the overall document). http://philipwalton.com/articles/what-no-one-told-you-about-z-index/ http://philipwalton.com/articles/what-no-one-told-you-about-... This one advises using "js" prefixed classes for JS, so the JS is only coupled to the HTML & not the CSS: http://philipwalton.com/articles/decoupling-html-css-and-javascript/ http://philipwalton.com/articles/decoupling-html-css-and-jav...