How do I fix the mobile page size on my Dawn theme website?

Store Design
1

I use dawn theme

URL: www.bustangi.pk

Please help me out My website page is moveable on mobile means width is not fixed. Please check it.

2

Hi, @sitarakhalid .

please Send me screen shoot what problem your store section.

3

I attached the video, please help me out

4

have you checked it?