Simon Willison’s Weblog

11th November 2007 - Link Blog

Using multiple classes within selectors. Pretty much definitive guide to using multiple classes in a CSS selector, including problems with IE 5 and 6 and one way of addressing them using conditional comments.

Posted 11th November 2007 at 11:07 pm

Recent articles

I vibe coded my dream macOS presentation app - 25th February 2026
Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026

This is a link post by Simon Willison, posted on 11th November 2007.

css-classes 3 conditionalcomments 3 css 233 ie5 1 ie6 14 internet-explorer 74 russweakley 1

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe