How to add a short line under each heading in the theme?

Store Design
1

Hello

I am looking to add a short line, under every heading.

Is there a way to add this to the theme?

It needs to be 3 letters long for each heading.

Thanks

2

@SBjd Can you please send me your store url?

3

Just sent via private message as its in the early stages of development.

4

Hi @SBjd ,

Please share your store URL and if your store is password protected then please provide password too.

So that we can help you.

Thank you.

5

Hi this is the url, its in very early stages

https://sarah-jd-store.myshopify.com/

6

Hi @SBjd ,

Can you give me the password, please?

Thanks you

7

Sorry its:

heable

It just to see if it is something I can offer before going back to someone I work with.

Thanks