Easily make an element as wide or as tall with our width and height utilities.

Relative to the parent

Width and height utilities are generated from the utility API in _utilities.scss. Includes support for 25%, 50%, 75%, 100%, and auto by default. Modify those values as you need to generate different utilities here.

Width 25%
Width 50%
Width 75%
Width 100%
Width auto
Height 25%
Height 50%
Height 75%
Height 100%
Height auto

You can also use max-width: 100%; and max-height: 100%; utilities as needed.

Relative to the viewport

You can also use following utilities to set the width and height relative to the viewport:
min-vw-100, min-vh-100, vw-100, vh-100