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Designing Websites for iPhone X

We’ve already covered “The Notch” and the options for dealing with it from an HTML and CSS perspective. There is a bit more detail available now, straight from the horse’s mouth:

Safe area insets are not a replacement for margins.

… we want to specify that our padding should be the default padding or the safe area inset, whichever is greater. This can be achieved with the brand-new CSS functions min() and max() which will be available in a future Safari Technology Preview release.

@supports(padding: max(0px)) {
    .post {
        padding-left: max(12px, constant(safe-area-inset-left));
        padding-right: max(12px, constant(safe-area-inset-right));
    }
}

It is important to use @supports to feature-detect min and max, because they are not supported everywhere, and due to CSS’s treatment of invalid variables, to not specify a variable inside your @supports query.

Jeremey Keith’s hot takes have been especially tasty, like:

You could add a bunch of proprietary CSS that Apple just pulled out of their ass.

Or you could make sure to set a background colour on your body element.

I recommend the latter.

And:

This could be a one-word article: don’t.

More specifically, don’t design websites for any specific device.

Although if this pushes support forward for min() and max() as generic functions, that’s cool.

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