(1) The reason is that you are using the system font. Never use system fonts. Use web fonts or standard fonts.
(2) In addition, never use the image in this way. This will lead to problems for which you do not suspect. Beyond the page should not be anything, except for the technical widgets on the left.
Thank you Pavel, ill take that into consideration, but it doesn't solve my issue with the actual text moving to the right, is it to do with my max breakpoint? its at 920
I've attached an image here: