Thank you for trying the new Firefox. We’re sorry that you’re unhappy with the new design. Here are a few suggestions for restoring the old design. We hope you’ll find one that works for you: *Use the [https://addons.mozilla.org/en-US/firefox/addon/classicthemerestorer/ Classic Theme Restorer] to bring back the old design. Learn more here: [[How to make the new Firefox look like the old Firefox]] *Use the [https://addons.mozilla.org/en-US/firefox/addon/the-addon-bar/ Add-on Bar Restored] to bring back the add-on bar. Learn more here: [[What happened to the Add-on Bar?]] Firefox is a work in progress and your feedback is very important to us. Our support community is run by volunteers who work hard to help all Firefox users, but we can’t make changes to the design ourselves. Please help us improve Firefox by leaving feedback where the designers and engineers can see it: https://input.mozilla.org/en-US/feedback.

That helped me to move the tabs back to where I normally prefer them but did nothing to fix the transparency issue that I am having. What I am disliking intensely is the semi-transparent white background that the toolbars and tabs all have. How do I remove it?