Do you need to change the text and/or background colour?
If you are having difficulties viewing this website in its native colours there is the facility at the top of every page to choose something appropriate. Just click on the various options until you find something that works better for you.
Is the text too small for you?
If you are finding the size of the fonts too challenging on your eyes you may wish to adjust these to make your website experience more pleasant. To do this simply scroll to the top of any page and click on the letters next to ‘Text size’ and the website will reformat the copy accordingly.