Install fonts-karla by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-karla
Description:
Grotesque Sans Serif Latin typeface
Karla is a grotesque sans serif typeface family that supports languages that use the Latin script and the Tamil script. This is the Latin script part of the family, with Roman and Italic styles in two weights, Regular and Bold. . This font is part of the Google Free Font Family.
Homepage: http://www.google.com/fonts/specimen/Karla
Version: 20151208-1
Section: universe/fonts