When you first use this website the appearance will match that of Wikipedia. There are some advantages of familiarity with that, but if you need a 'cleaner' look with larger lettering then you can easily switch.
Here's how ...
Quick Fix just for now
Click on the "Mobile view" at the bottom of this page.
To set it back to how it was, click on the "desktop" link at the bottom of this page.
Long Lasting Fix
Log in to your account
Select the MinervaNeue option
Click on 'Save' at the bottom of the page
You can always try the other options there to see what suits you best.
Any other ideas for accessibility? Visit the Discussion forum and add a comment.