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Firefox no longer displays the css on any websites - i have uninstalled and re-installed - no dice :(

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Firefox no longer displays the CSS on any websites, including firefox, facebook, google, my own websites, whatever - all my other browsers are working fine. This morning i uninstalled and re-installed but I am still only seeing the "basic page style" option that Firefox offers. Please can you suggest a fix for me?

Firefox no longer displays the CSS on any websites, including firefox, facebook, google, my own websites, whatever - all my other browsers are working fine. This morning i uninstalled and re-installed but I am still only seeing the "basic page style" option that Firefox offers. Please can you suggest a fix for me?

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Make sure that you allow pages to choose their colors and that you haven't enabled High Contrast in the Accessibility settings.

  • Tools > Options > Content : Fonts & Colors > Colors : [X] "Allow pages to choose their own colors, instead of my selections above"

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).