Before (with vh ) .mobile-menu height: 100vh; overflow-y: auto;
I have structured this as a complete, ready-to-publish article for a web development blog. Published on: April 17, 2026 Category: CSS, Layout, Responsive Design Reading time: 4 min Teksturnyj VH dla CSS v34 -bespalevnyj-
.fullscreen-section height: 100tvh; /* Real fullscreen, no overflow */ Before (with vh )
let vh = window.innerHeight * 0.01; document.documentElement.style.setProperty('--vh', `$vhpx`); This worked but killed performance and caused layout shifts. Not bespalevnyj at all. The CSS Working Group heard our screams. With CSS Values and Units Level 4 (shipping in v34 of major engines), we now have dynamic viewport units – specifically Teksturnyj VH ( tvh ). What is Teksturnyj VH? tvh stands for Texture Viewport Height . Unlike classic vh , it responds to the visible viewport – the actual space available to your content after accounting for dynamic browser UI. The CSS Working Group heard our screams
It removes a decade-old headache without requiring frameworks, polyfills, or event listeners. Just one unit, one line of CSS, and your layouts finally behave like they should on mobile.
.hero-text min-height: 50tvh; /* Exactly half of usable space */
Developers resorted to JavaScript hacks: