notes/node_modules/stylelint/lib/rules/shorthand-property-no-redundant-values/README.md

shorthand-property-no-redundant-values

Disallow redundant values in shorthand properties.

a { margin: 1px 1px 1px 1px; }
/**             ↑   ↑   ↑
 *           These values */

This rule warns you when you use redundant values in the following shorthand properties:

• margin
• padding
• border-color
• border-radius
• border-style
• border-width

Options

true

The following patterns are considered warnings:

a { margin: 1px 1px; }

a { margin: 1px 1px 1px 1px; }

a { padding: 1px 2px 1px; }

a { border-radius: 1px 2px 1px 2px; }

a { -webkit-border-radius: 1px 1px 1px 1px; }

The following patterns are not considered warnings:

a { margin: 1px; }

a { margin: 1px 1px 1px 2px; }

a { padding: 1px 1em 1pt 1pc; }

a { border-radius: 10px / 5px; }