Change font in V1

I need one help from you for V1 in V1 for one bot fonts are updated by using the below URL
Now the customer is asking me to change the font and color

Can anyone please help me how to do this

Hey @Mounika_Reddy Can you check this once?

I hope this will work.

@Parthiban_J if i know what is the font style in the URL i will update that but i am not able to open that file