--- layout: docs title: Stacks description: Shorthand helpers that build on top of our flexbox utilities to make component layout faster and easier than ever. group: helpers toc: true added: "5.1" --- Stacks offer a shortcut for applying a number of flexbox properties to quickly and easily create layouts in Bootstrap. All credit for the concept and implementation goes to the open source [Pylon project](https://almonk.github.io/pylon/). {{< callout warning >}} Heads up! Support for gap utilities with flexbox was recently added to Safari, so consider verifying your intended browser support. Grid layout should have no issues. [Read more](https://caniuse.com/flexbox-gap). {{< /callout >}} ## Vertical Use `.vstack` to create vertical layouts. Stacked items are full-width by default. Use `.gap-*` utilities to add space between items. {{< example >}}