Html Css Variables — Free Html Tutorial

Learn Html Css Variables in Html with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

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TL;DR: Learn Html Css Variables in Html with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated Sep 1, 2026

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Html Css Variables in Html

CSS variables: --name: value; Access with var(--name). Reduce repetition, enable dynamic theming.

Scope: :root { } makes global. Can scope to elements. Inheritance works like normal CSS.

JavaScript can update: element.style.setProperty("--name", "value");

Html Css Variables — Syntax

<style>
  :root {
    --primary: #3b82f6;
    --spacing: 16px;
  }

  .button {
    background: var(--primary);
    padding: var(--spacing);
  }
</style>

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