https://developer.mozilla.org/en-US/docs/Web/CSS/Guides/Cascade/Shorthand_properties
Shorthand properties - CSS | MDN
Shorthand properties are CSS properties that let you set the values of multiple other CSS properties in one declaration. Using a shorthand property, you can...
shorthand propertiescssmdn
https://css-tricks.com/maybe-dont-use-custom-properties-in-shorthand-properties/
Maybe don't use custom properties in shorthand properties | CSS-Tricks
Mar 6, 2025 - This easily qualifies as a
custom propertiescss tricksmaybeuseshorthand