What's that notification thingy on the bottom image?

Details:

• WM: Sway
• Bar: Waybar
• Widgets: Eww
• Notifications: Swaync
• App Launcher: Rofi
• Terminal: foot
• Fonts: Google Sans Mono, Iosevka Nerd Font, Material Icons
• Colorscheme: Catppuccin
• Editor: nvim with nvchad
• Shell: zsh
• Shell theme: typewritten
• Wallpaper: https://www.wallpaperflare.com/anime-cardcaptor-sakura-keroberos-card-captor-sakura-sakura-kinomoto-wallpaper-szxyq
• Dotfiles: https://github.com/lolplayer69420/sway_dots

Why is the resolution so bad 😭