EDITED: Maybe I should ask which selector sets up the side padding when the screen is reduced to below 480px width? I have been browsing bootstrap-responsi
Another css that can make the margin problem is that you have direction:someValue in your css, so just remove it by setting it to initial.
direction:someValue
For example:
body { direction:rtl; } @media (max-width: 480px) { body { direction:initial; } }