Hide Mozilla Flash ads
6th November 2002
Michel: How to hide Flash banner ads in Mozilla using a few lines of CSS added to the userContent.css file. A great example of CSS2 selectors at work.
More recent articles
- Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
- Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
- Living dangerously with Claude - 22nd October 2025