How can I decrease the padding from the right and left sides of the ReadMe portal?

Hi Team,

I have a feedback from few of my team members, to decrease the padding from the right and left sides of the ReadMe portal. ReadMe portal is not utilizing complete space available in the browser and there is blank space before the left TOC and after the right TOC. What can be done to change the view similar to https://docs.readme.com/docs page?
Thanks in advance!