References:

• https://epic-web-2024-at-property.netlify.app
• https://www.epicweb.dev/talks/lightning-in-a-bottle-with-css-custom-properties
• https://developer.mozilla.org/en-US/docs/Web/CSS/@property/syntax \

@property --brand {
  syntax: "<color>";
  inherits: true;
  initial-value: red;
}