'H1Tag' does not contain a definition for 'Styles' and no accessible extension method 'Styles' accepting a first argument of type 'H1Tag' could be found (are you missing a using directive or an assembly reference?)

'H1Tag' does not contain a definition for 'Styles' and no accessible extension method 'Styles' accepting a first argument of type 'H1Tag' could be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

Possible null reference return.