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Adobe faces big fines from FTC over difficult subscription cancellation
(appleinsider.com)
This is a most excellent place for technology news and articles.
uBlock Origin's element picker is probably what you're looking for. Install the addon, click the uo icon, towards the bottom click the eye dropper icon, select the element on the page you want gone, then click create the button. So long as the underlying name of the element doesn't change, you should be all set!