ABTalksABTALKS60-DAY CHALLENGE
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Day 17 of 60Web DevCore60–90 min Preview

Responsive design at 390px

Take your app mobile-first. Every screen must be usable one-handed on a 390px viewport with no horizontal scroll.

What this covers

  • Mobile-first breakpoints
  • Touch targets
  • Fluid type

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This day is still ahead of you. The task content is visible so you can preview what's coming, but submissions open when you reach Day 17.

Unlocks when you complete Day 16