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Mathias Bynens | 3.14 things I didn't know about CSS | CSS Day

Updated: at 10:30 PM

An insightful dive into the gnarly corner cases of CSS

This talk will showcase a series of obscure CSS fun facts, such as CSS syntax gimmicks and quirks, weird tricks that involve CSS in one way or another, and security vulnerabilities that are enabled by (ab)using CSS in unexpected ways.

Oddities include styling one-line HTML documents, sending CSS in an HTTP header, using CSS to execute Cross Site Scripting attacks in IE10 or older, malicious CSS and stealing form data.

Watch the presentation on Vimeo