Shadows and Inner Shadows have the same controls but work in different ways. Shadows render outside a layer, while Inner Shadows render inside a layer.
![An image showing the different types of shadows](https://sketch-cdn.imgix.net/docs/styling/shadow-illustration-91%402x.jpg?ixlib=rb-4.1.0&fit=max&w=1920&q=95&auto=format&fm=jpg&s=bf29d6e8b7c8a3dddcc070f7bf3d02f7)
Shadow type examples in the Mac app (v91 August 2022)
You can apply multiple shadows to the same layer, and control their colors, blending modes, X and Y positions, blur radius and spread.
![An image showing different shadows](https://sketch-cdn.imgix.net/docs/styling/multi-shadow-illustration-91%402x.jpg?ixlib=rb-4.1.0&fit=max&w=1920&q=95&auto=format&fm=jpg&s=c1704eccfdcd336ec1a390e6ecbe4bd2)
Shadow types and examples of settings in the Mac app (v91 August 2022)
The X and Y values offset the shadow from the layer and can be positive or negative. The Blur value sets the Blur radius to apply to the shadow in pixels. The Spread value (+ or -) sets the distance in pixels to expand or contract the shadow in all directions.
![An image showing different shadow blur and spread settings](https://sketch-cdn.imgix.net/docs/styling/shadow-blur-illustration-91%402x.jpg?ixlib=rb-4.1.0&fit=max&w=1920&q=95&auto=format&fm=jpg&s=aee698f0dc5ff37efde4198b128b7a79)
Shadow Blur and Spread examples of settings in the Mac app (v91 August 2022)