The iPhone 5s renders the site at a width of about 970 pixels. No viewport and others are not worth it. Where did the 970 come from?

Question

css

in general, at a resolution of 640px - there should be 2 cubes in a row, at 768 px - 3 in a row (Adaptiveness) On an iPhone, 3 cubes are shown in a vertical position (it should have a viewport of 320 in general) Why does it see the site as 970 wide and displays 3 cubes? Although it should display 2

Answer 1

Scaling is likely to have an effect. Set the viewport to initial-scale=1.0.

Answer 2

or some min-width ? but most likely need meta