Install fonts-roboto-slab by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-roboto-slab
Description:
Google's signature family of fonts (slab)
Roboto is Google's signature family of fonts, the default font in Android and ChromeOS and the recommended font for Google's visual language, Material Design. . Roboto supports all Latin, Cyrillic, and Greek characters in Unicode 7.0 as well as currency symbol for the Georgian lari, to be published in Unicode 8.0. . This package contains the Slab Serif font for the Roboto font family.
Homepage: https://fonts.google.com/specimen/Roboto+Slab
Version: 1.100263+20170512-1
Section: universe/fonts