How to make a measurement of performance for CSS?

Want to see how much longer it will be loaded page when using calc()
July 9th 19 at 10:04
1 answer
July 9th 19 at 10:06
View. The right button in the browser to inspect code or phrase in the likeness, there is a tab network, there is a load time.
Thank you, there and watched. 40ms vs 30 out. - beatrice_Hamill1 commented on July 9th 19 at 10:09

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