Icons/ Buttons

• Plus button icons created by Syahrul Hidayatullah - Flaticon
• Subtract icons created by Angelo Troiano - Flaticon
• Trash icons created by Freepik - Flaticon
• Comment icons created by Smashicons - Flaticon
• Right and left arrow icons created by Arkinasi - Flaticon
• Notification icons created by Pixel perfect - Flaticon

HTML, CSS and Javascript code

• Chirper
• Labs from CSCC09
• Socket.IO tutorial