These settings will change the color theme on all pages to assist with readability.
For users with low vision or photosensitivity, use default mode and turn on high contrast mode using your device's operating system settings.
For Windows 7 users, go to Control Panel > Ease of Access Center > Set Up High Contrast to turn on high contrast mode.
For Windows 10 users, go to Windows Settings > Ease of Access > High Contrast to turn on high contrast mode.
For macOS users, go to System Preferenes > Accessibility > Display and check "Increase contrast". Checking "Invert colors" may also help.
For iOS users, go to Settings > Accessibility > Display & Text Size and check "Increase Contrast". Checking either "Smart Invert" or "Classic Invert" may also help.
For ChromeOS users, go to Settings > Show advanced settings > Accessibility > Use high contrast mode or use the keyboard shortcut Shift+Search+H.
For Android users, consult your phone's manufacturer's documentation for assistance.