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.
| Unit | Behavior | Pain level | |------|----------|-------------| | vh | Full layout viewport (includes address bar) | 🔴 Painful | | tvh | Visible, dynamic viewport | 🟢 Painless ( bespalevnyj ) | Using it is identical to vh , just more reliable: Teksturnyj VH dla CSS v34 -bespalevnyj-
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. let vh = window
.modal-bottom bottom: 10tvh; /* Stays above mobile bottom bar */ With CSS Values and Units Level 4 (shipping