Unsticks sticky or fixed elements.
I forked this addon from Unstick! (by djoslin). The sole difference is that, while Unstick! deletes the offending elements on a click, nolfet automatically sets the elements' position style to 'static'.

nolfet - Firefox Add-on
nolfet is a Firefox add-on that automatically sets the position style of sticky or fixed elements to 'static', unblocking them from the viewport.
Add-on stats
Source: Firefox Browser Add-ons
Ranking
Add-on safety
Risk impact
nolfet requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
- Low ******* ****** ** *** ********* ********
Risk likelihood
nolfet is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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