# Developer Tools

Every browser has built-in developer tools that show any element on a page, its HTML and every CSS rule applied to it, so you can find out why a page looks the way it does.

![Cheat sheet: Developer Tools](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/b79db8984d7b410587e5baad5deee8bc.webp)

- Category: HTML
- Level: Apprentice
- Tags: CSS, Developer Tools, html
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/html-developer-tools-cheat-sheet