Accessibility of information and services provided via this website Site Visual Design The text size for content text uses xx-small, x-small, small, medium, large, x-large, xx-large, rather than point sizes or percentages. Our testing has shown that percent based font sizes can cause errors on Macintosh browsers. Set fonts sizes (such as 10pt), which would override your own preferred browser settings, are not used. All web pages in our web site detect the type of browser you are using to …