Font Error


#1

Can anyone explain to me why this happening?

Here are the two screens are taken from thesame article. However, the first screenshot is taken from heading six while another from heading seven.

Frontend:

You can see these two heading following different set of rule.

backend:

image

Here is the look of CSS applying to this portion of the page.

image


#2

Because H7 is invalid tag :thinking:


#3

H2 and H3 are also following different set of rule.