message: + and env too
  actually calc
  $header-height
diff: }
  }
  body {
  - padding-top: $header-height - constant(safe-area-inset-top);
  + padding-top: $header-height;
  + padding-top: calc(#{$header-height} + constant(safe-area-inset-top));
  + padding-top: calc(#{$header-height} + env(safe-area-inset-top));
  }
  #header {
  padding: 0 0 0 2px;
  