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<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="/htmlcss/styles.css" type="text/css"> </head> <body> <section class="hero"> <h1>Color Variables</h1> <p>Use CSS variables to define your palette once.</p> </section> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/edibu.js"></script> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/tongji.js"></script></body> </html>
:root { --color-primary: #2563eb; --color-primary-dark: #1d4ed8; --color-neutral-900: #0f172a; } .hero { background: var(--color-primary); color: #fff; padding: 48px 24px; border-radius: 16px; font-family: "Inter",sans-serif; } .hero h1 { color: #fff; margin: 0; } .hero p { color: rgba(255,255,255,0.85); margin-top: 12px; }