I use bootstrap. If you use the grid system that ships with it correctly it sorts out the responsiveness aspect for mobile devices. And as I go with the development I frequently check in Chrome Developer Tools how shitty or great things look like. HTH.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I use bootstrap. If you use the grid system that ships with it correctly it sorts out the responsiveness aspect for mobile devices. And as I go with the development I frequently check in Chrome Developer Tools how shitty or great things look like. HTH.