We found 4 fonts on https://firebase.google.com

CachedRecheck
span
button
a
div
8 Styles

Material Icons

div
a
3 Styles

Roboto

div
h5
span
4 Styles

Jet Brains Mono

Designed by Philipp Nurullin, Konstantin Bulenkov, JetBrains
a
div
li
span
ul
button
p
h3
h4
h1
71 Styles

Google Sans 18 Pt

FontofWeb by Simdi Jinkins & Onyemsobi