Retrospring/app/assets/stylesheets/components/_container.scss

.container--main {
  padding-top: map-get($spacers, 3);
  padding-bottom: map-get($spacers, 3);
  // Sass doesn't know about the safe-area-inset-* env vars and throws a syntax error
  // We can get around this by using unquote()
  // Sass also has its own built-in max() function which is not the same as the CSS one
  // In order to use the correct one we can write it as Max() instead
  padding-left: unquote('Max(15px, env(safe-area-inset-left))');
  padding-right: unquote('Max(15px, env(safe-area-inset-right))');
}