Change layout in fullscreen

About: YouTube Always show progress bar
redigerte November 2017 i Script Discussions Firefox
Hi,
by setting "bottom:-3px!important" instead of -1px the bar is thinner, but only in normal mode. How can I set it also to a 1px thin line in fullscreen mode?

Thanks!

Edit:
I got it: have to append this to style.innerHTML:

.html5-video-player.addedupdateevents.ytp-iv-drawer-enabled.iv-module-loaded.playing-mode.ytp-autohide-active.ytp-fullscreen.ytp-big-mode.ytp-autohide .ytp-progress-list{height:20%;}
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