I'm wondering that why Inspector shows duplicate CSS as follows:What is the difference between Cause column: stylesheet vs JS stylesheet?UPDATE:Here some explanation. Seems like my css is actually included twice if js request for it too?https://developer.mozilla.org/en-US/docs/Tools/Network_Monitor#Cause_columnUPDATE:Now there's even more - 4x same css.
Duplicate CSS files in Firefox Inspector
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