Website accessibility

To ensure this website is accessible to all, we follow the Web Content Accessibility Guidelines (WCAG) 2.0 produced by the World Wide Web Consortium (W3C)'s Web Accessibility Initiative (WAI).

It has been built to comply with W3C standards for HTML and CSS, so that it displays correctly in all popular browsers, and is compatible with assistive technology.

Change the text size

Keyboard method

  • Press 'Ctrl' and '+' to  zoom in
    ['Command' and '+' on a Mac] 
  • Press 'Ctrl' and '-' to zoom out
    ['Command' and '-' on a Mac]

Keyboard/mouse method

  • Press 'Ctrl' and use the mouse wheel to zoom in and out


  • To reset the text back to the original size, press 'Ctrl' and '0' [zero]
    ['Command' and '0' on a Mac]

Mobile devices

The website can be made larger or smaller using the standard pinch-zoom method.

Change the background colour

By default, the website is displayed with a white background, but you can change this to a different colour.

How to do this depends on the system you're using - as explained in the BBC website > My Web My Way.

Translate the text

Each page can be translated using Google Translate: choose a language from the list at the bottom of the page.

Online translation services can sometimes fail to accurately translate medica information - for further help, please see the NHS website: Health information in other languages (

Report a problem with this web page

Please contact us at and we'll put it right.

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