Mobile-first, or broken

5 min read·Lesson 1 of Ship it right

In the next six minutes you will make the 375px check a reflex — and fix the one CSS bug behind most AI pages that scroll sideways on a phone.

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ProShip it right

5 min read·Lesson 1 of Ship it right

In the next six minutes you will make the 375px check a reflex — and fix the one CSS bug behind most AI pages that scroll sideways on a phone.

Pro lesson

Create a free account to read every free lesson and save your progress — then upgrade when you're ready for the rest.

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