Responsive website on iPhone - unwanted white space on rotate from landscape to portrait
Solution 1:
Fixed it! The issue was coming from one particular div - to find it, it was a process of deleting the different elements until the issue went away.
To fix it I needed to add overflow-x: hidden to that div and it sorts it out! Hope this is useful to others with a similar issue.
Solution 2:
I had the same problem, I fixed it by setting:
html, body { width:100%; overflow:hidden; }