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On any page, click on the font properties icon.

A pop-up will own up as shown in the screenshot.

Hover on any text on the webpage, and you will get all the font-related information of that text.
Is of great help to identify font-family, font-sizes, font-weight, font-color and other font-styles applied to the text/element.

To stop showing the font-properties, click on close('x' icon).

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