Test Viewport Units
The following figures are used to test the css viewport problem.
If the two figures have the same dimensions it means that your browser is not affected by the bug
50vh
50%
CSS fix for
100vh
100vh in Safari
CSS 100vh Mobile Browsers
It’s not a
bug,
it’s a feature
The trick of Viewport
Units
Avoid 100vh
on Mobile
Web
WebKit Bugzilla
Matt Smith Solution