# The Cascade: How the Browser Picks a Winner

When two CSS rules set the same property on the same element, the browser runs the same tie-breaker contest every time, and knowing its rounds tells you why a style won or lost.

![Cheat sheet: The Cascade: How the Browser Picks a Winner](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/10/d99b74d8637544b8a379b8f2c592d6b7.webp)

- Category: CSS
- Level: Apprentice
- Tags: !important, Browser default styles, Cascade, Cascade origin, CSS, Source order
- Updated: November 1, 2026

Source: https://www.ask-codey.com/cheat-sheets/css-cascade-cheat-sheet