Blog
Jan 26, 2026
Creating concave corners in CSS usually means hacks, SVGs, or messy markup — and things get even worse on complex backgrounds. nebo.css offers a simple, CSS-only solution that works out of the box, stays flexible, and handles real-world layouts and backgrounds with ease.
Jan 12, 2026Alexander Pershin
Back in the day, building a circular progress bar meant suffering with SVG. Even now, opening DevTools on some of those old implementations still hurts. Today, things have become dramatically simpler.
Oct 25, 2025Alexander Pershin
CSS just got smarter. You can now compare variables and apply styles conditionally — no JavaScript required. A tiny trick with sign() changes everything.
Sep 25, 2025Alexander Pershin
Let's unpack one of the most debated features of 2025 — the experimental if() function that landed in Chrome. We'll see how it works, where it shines, where it fails, and what it might become.
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</style><link rel="stylesheet" href="/css/cookies.css"><link rel="preload" as="script" href="https://assets.htmlacademy.org/js/general.v274.js"><title>Blog — HTML Academy</title><meta property="og:type" content="website"><meta property="og:site_name" content="HTML Academy"><meta name="twitter:url" property="og:url" content="https://htmlacademy.org"><meta name="twitter:title" property="og:title" content="Interactive online courses HTML Academy"><meta name="twitter:description" property="og:description" content="Together we’ll learn how to work with real code, solve true-to-life problems, use cutting edge technologies. 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Even now, opening DevTools on some of those old implementations still hurts. Today, things have become dramatically simpler.</p></div><div class="post-list"><h2 class="post-list__title"><a href="/blog/css-variable-comparison">Comparing CSS Variables in Pure CSS</a></h2><p class="post-list__meta"><time>Oct 25, 2025</time><span class="post-author">Alexander Pershin</span></p><p class="post-list__text">CSS just got smarter. You can now compare variables and apply styles conditionally — no JavaScript required. A tiny trick with <code>sign()</code> changes everything.</p></div><div class="post-list"><h2 class="post-list__title"><a href="/blog/css-if">CSS if() — breakthrough or breakdown?</a></h2><p class="post-list__meta"><time>Sep 25, 2025</time><span class="post-author">Alexander Pershin</span></p><p class="post-list__text">Let's unpack one of the most debated features of 2025 — the experimental <code>if()</code> function that landed in Chrome. We'll see how it works, where it shines, where it fails, and what it might become.</p></div></section></div></div><footer class="page-footer page-footer--tiny"><div class="page-footer__inner"><p><a href="/docs/cookies">Cookies</a> ∙
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