Layout problem, how to solve?

Question

css

The site medknizh-msk.ru has a problem with adaptive layout.
When viewed from 768x1024 devices, blank space appears on the right. How to deal with it?

Answer 1

The problem with the element:
p.border{
}
- it crawls out of the screen borders
Look here:

Answer 2

some element has a fixed width (width) look at the styles for the elements, maybe one of them is set to something like width: 620px
maybe a logo or other pictures

Answer 3

try setting
body {
overflowx: hidden;
max-width : 100% or 100vw
}
thus you will not let the body of the document stretch

Answer 4

Problem in table and timer