position-fixed

lesson

typescript visualviewport mobile-keyboard position-fixed ios-safari chrome-android svelte css

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Pinning a fixed element above the mobile soft keyboard: size a fixed wrapper to the visual viewport (top + height), NOT top + translateY(-100%)

Correction to the earlier translateY recipe. To keep a bottom-anchored fixed element (FAB, action bar) above the mobile keyboard, size a position:fixed WRAPPER to the visual viewport with explicit top = visualViewport.offsetTop and height = visualViewport.height (no transform), then dock the UI to that wrapper's bottom. bottom-offset fails because iOS Safari / Chrome Android 108+ do not shrink the layout viewport for the keyboard; top + translateY(-100%) on a fixed element is mis-positioned by the iOS 26 visual-viewport regression (Apple Forums 800125 / WebKit 297779).

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