How do I modify the stroke width of a highchart polar chart in both CSS and JavaScript?


How do I modify the stroke width of a highchart polar chart in both CSS and JavaScript?



For instance, I want to change the stroke width of a polar graph wider.



I searched their docs and realized that I could do it with both CSS and JavaScript way. But they don't have further details or examples.



May I have an example (detailed code) of how could I do this?



Thanks,



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