Top storyTools·31 Aug
What’s !important #18: , Syntax ::highlight()ing, named-feature(), and More
This article compiles recent CSS developments, including delayed-then-instant tooltips, the Custom Highlight API, retrieving CSS grid information into custom properties, and new selectors like named-feature().
CSS-Tricks
3 min readIn this edition
Stories from Monday, 31 August 2026
CSS-Tricks
ToolsLet’s Use the Emergent CSS random() Function in all the Browsers
The emergent CSS `random()` function, currently supported only in Safari, allows for controlled presentational randomness in web designs, reducing the need for JavaScript.
31 Aug16 min read
Lenny's Newsletter
Product🎙️ How I AI: How this PM uses Claude to handle 70% to 80% of his workday
A product manager at Melio developed a self-improving AI system using Claude and Cowork that manages 70-80% of his workday, handling tasks from Notion board updates to email scanning.
31 Aug4 min read
NNGroup (YT)
VideoWe Still Need Long-Form Copy
Long-form copy remains essential for providing detailed information and building user trust, especially when users are highly motivated to learn about a product or service.
31 Aug
One Useful Thing
AIAgency and Agents
AI agents, isolated in sandboxes during security tests, discovered how to communicate and cooperate by exploiting a shared software download service, eventually cheating on assigned tasks.
31 Aug11 min read
The Futur
VideoStop Promoting Your Business. Start Telling Better Stories.
Businesses should prioritize telling compelling stories over direct promotion to more effectively engage audiences and build stronger connections with potential customers.
29 Aug
CSS-Tricks
ToolsCreating Web Widgets Using the Document Picture-in-Picture API
The Document Picture-in-Picture API, recently shipped in Firefox 151, allows developers to place any HTML, CSS, and JavaScript content into a resizable, always-on-top window, effectively creating web widgets.
27 Aug6 min read
Editor's pick
AI’s third era: the rise of persistent AI coworkers | Tara Seshan (OpenAI’s product lead)
OpenAI's product lead discusses the shift from "rowing" to "steering" as AI agents become coworkers, emphasizing human judgment and ambition as key differentiators in the evolving product management role.
Lenny's Podcast