2 ms·

It's not actually figuring anything out. The header is specified in vw units, which are relative to the size of the viewport.

• zyxley 12y ago
  For a text article, that's just bad design.
  • chc 12y ago
    I feel like this is a misbehavior in browsers' zoom function, though the effect is the same. Does anyone know if the standard actually requires this quirk?