CSS Variables CSS Variables (Custom Properties) let you reuse values like colors, font sizes, or spacing across your site, making your code cleaner and easier to manage.
Why Use CSS Variables?#Efficiency Reuse values without repeating code.
#Consistency Keep design uniform across your site.
#Flexibility Update styles globally by changing one value
How to Use:Define in :root:
:root { --primary-color: #3498db; }
Apply with var():
button { background-color: var(--primary-color); }
Use CSS variables to write
cleaner, scalable, and
maintainable styles
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