… can you help me, i didn’t find the setting Panel colorizer’s settings to deactivate those pinky-reddish colored lines around the widgets 
Right-click on the top panel.
Either you deactivate it completely, then you have the Garuda/KDE default top panel:
or you choose a different design, for example:
or you only deactivate what should happen when maximizing:
btw: One issue per topic.
Your questions have been answered and the topic is solved.
To prevent further OT posts, I’ll close this one.
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