## CSS Custom Properties

The problem: keeping "DRY" (don't repeat yourself) in CSS can be hard impossible.

CSS Custom Properties provides a way forward!

- MDN: Using CSS custom properties
- CSS Tricks: A Complete Guide to Custom Properties

    section {
        --spacing: 1.2rem;
        padding: var(--spacing);
        margin-bottom: var(--spacing);
    }

Steps:

- Define the property

      --spacing: 1.2rem;

- Use the property

          padding: var(--spacing);
          margin-bottom: var(--spacing);