Most images attributions belong to respective authors on Unplash.com, Vecteezy and others.

You can find some direct attributions below. 

• 3D minimal notification bell icon with color objects floating around on pastel background. new alert concept for social media element. 3d bell alarm vector render isolated on purple pastel background Vectors by Vecteezy
• 3d realistic human resource management hiring concept job Vectors by Vecteezy
• Photo by Myriam Jessier on Unsplash Süleymanaltun, CC BY-SA 4.0, via Wikimedia Commons
• Photo by Merakist on Unsplash
• Email 3d Vectors by Vecteezy