Expanding CSS Shadow Effects

March 31, 2025

Machop, a gray, humanoid Pokémon with red eyes and three head crests, poses with one fist extended forward in a dynamic action stance

The Power of Shadows

Shadows in CSS can be multi-directional, layered, and are animate-able. On top of being all that, they don’t affect the layout and computed size of an element even though they can make it appear bigger or smaller, which makes them an efficient tool for making visual changes.

Source: Expanding CSS Shadow Effects – Frontend Masters Blog

Shadows have been a staple of Web (and screen based) design for decades. Even a simple one pixel line can give the impression of depth to the otherwise flat UI of a screen.

But CSS shadows can do much more than add a little depth as Preethi Sam explores here.