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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