You must be signed in with a PBS account to use this feature. If you are not signed in, please click the Sign In option at the top of the site and log in with your personal email and password.
After you're signed in, hover over your name at the top of the site to see the theme options:
Select from one of the three options to confirm your theme choice.
Use System Theme will use the default theme of your computer, configured through your device settings.
Dark Theme uses a darker color scheme with shades of gray, pictured below.
Light Theme is the original theme of PBS.org, and uses brighter colors and whites.