Knowledge Article Templates - Change Heading Size?

[LOUDNOISES]

Default article heading sizes are too big. I'm trying to find a way to style them down, but I just can't figure out what I need to put into the "Field Style" box in my article template to apply the resizing I want. The "font-size" tag appears to only apply to P text. I can't get the style to apply to h1{font-size} h2 etc.

Am I just misunderstanding how this field works? Shouldn't this be creating an override of a CSS somewhere? 

[DanielOG]

Ok I am creating a story for my external devs to create for me a couple of templates, I'll see if they can do it then ask HOW, and post here if possible.

As a PO, I want to be able to create articles with a default font other than Verdana 8pt.

Template 1:

Name: Standard - Arial font

Description: Standard template with font Arial.

Heading style: Same as the existing Standard template in ServiceNow

Field style:

H1: Arial 18pt bold
H2: Arial 14pt bold
H3: Arial 12pt bold
H4: Arial 10pt bold
Paragraph: Arial 10pt

Note: No fields names required (such as Introduction, Instructions), just blank

Template 2:

Name: What is - Arial font

Heading style: Same as the existing What is template in ServiceNow

Field style:

H1: Arial 18pt bold
H2: Arial 14pt bold
H3: Arial 12pt bold
H4: Arial 10pt bold
Paragraph: Arial 10pt

Field styles above applies to all Field names below): 

Introduction (order 100, HTML, mandatory)

Explanation (order 100, HTML, mandatory)

[LOUDNOISES]

Thanks. Please keep me posted on that.

[LOUDNOISES · Accepted solution]

I believe this will satisfy your needs:

https://www.servicenow.com/community/knowledge-managers/how-can-i-set-up-heading-style-and-field-sty...