Horizontal scrolling on the iphone?

Prescribed

but the site on the iPhone in portrait mode can still move horizontally and see the white background on the sides. How to fix that the site scrollers only vertically?
September 19th 19 at 13:14
1 answer
September 19th 19 at 13:16
Check if there are elements that emerge in width (more than viewport)
Well
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, maximum-scale=1.0">

Find more questions by tags ViewportHTMLiPhone