Some icons taken from Font awesome
The rest of icons taken from The Noun project
Admin icon by The Icon Z
School icon by Deemak Daksina
Teacher icon by Gianluca Manzana
Another teacher icon by Gregor Cresnar
Group icon by mikicon
Test icon by Taufik Ramadhan
Solution icon by Adrien Coquet
Lazy icon by Adrien Coquet
Holidays icon by Srinivas Agra
Arrow right icon by AlePio
Arrow left icon by AlePio
Cheeky icon by Made by Made
Finish icon by Adrien Coquet
Starting icon by Luis Prado
Link icon by Omar Safaa
List icon by TS Graphics
Multiple choice icon by Aenne Brielmann
Poll icon by b farias
Question icon by Wahyu Adam Pratama
Response icon by Carla Porciuncula
Not found icon by Adrien Coquet
upload script by ✦ Shmidt Sergey ✦ from the Noun Project
Calendar by Samsul Rizal from the Noun Project
Blog by Nubaia Karim Barza from the Noun Project
Check by Gregor Cresnar from the Noun Project
Copy icon by Keller from the Noun Project
Arrow icon by RainBow designs from the Noun Project
Map icon by Adrien Coquet from the Noun Project