Lead Frontend Engineer and Open Source Maintainer

I'm Dennis Morello, a Lead Frontend Engineer from Milan with over a decade of experience building accessible web interfaces. I maintain React Awesome Reveal and Arbor, and write about TypeScript, React, and Astro here.

Writing

All posts
  • Why I Replaced Tailwind CSS With Vanilla CSS

    I pulled Tailwind CSS out of my Astro site and rewrote it in vanilla CSS. Here's why modern CSS made the framework optional in 2026, and how I did it.

  • Baseline 2026: 4 APIs That Changed How I Code

    Navigation API, container style queries, :open, and Math.sumPrecise() all became Baseline in 2026. The ones that replaced actual dependencies in my projects.

Projects

Arbor

A friendly CLI for managing git worktrees.

Clipwise AI

Chrome extension that converts webpages to clean Markdown for ChatGPT, Claude, and other AI assistants.

Defrag98

A simulator of the classic Windows 98 Disk Defragmenter tool.

Investment Simulator

A simple investment simulator to help you understand the power of compound interest.

Talks

Writing Accessible Components

Learn how to build React components that are accessible by default, with a live coding session building an accessible accordion from scratch.