Commit 49c95cff authored by Frederik F's avatar Frederik F Committed by Florian Müllner

theme: Update window preview style

 - simplify the close button to use blue, lighter blue and darker blue
   solid disks for normal, hover and active states

 - use a milky, transparent white border for the hover effect of the border

!461
parent 56a36165
Pipeline #75996 passed with stages
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