Dev.Opera — Making websites that work well on Opera Mini
"Opera Mini doesn’t download web fonts; these are often large files, and are for aesthetic/branding purposes. Fallback fonts are used instead."
"Given this focus of HTML5, it is surprisingly hard to find a good place where all the APIs under development are listed. This collection is an attempt to have all that information in one place."
WCAG 2.0 checklist - a free and simple guide to WCAG 2.0
"I don’t rush you to make every web accessibility change at once – it’s too much for you to do and so it’s bad for your users. I love a structured approach to everything in life, and your website is no exception."
Understanding the CSS 'content' Property
"In this article, we’ll focus on the content property. CSS’s content property works with the ::before and ::after pseudo-elements (which can use either single- or double-colon synax)."
The Future Generation of CSS Selectors: Level 4
"Browser support for many of these is pretty poor, so I don’t recommend using many of these in production. View this post as a peek into what’s to come when the spec is further along and browsers start their implementations."
Pushing the limits of :visited with CSS blend modes – Stelian Firez
"I know that if an element on a black background has a screen blend mode applied to it, it will be fully opaque. While if it’s on a white background, the element in question becomes completely transparent."