PNG ICO ICNS MORE
UI
3D
Gnome Web Icons
mail, important, mark
WhiteSmoke
32x32
Gnome, mark, unread
Gray
mail, Gnome, mark
Gainsboro
mark, important, 48
48x48
mail, Gnome, unread
read, Gnome, 48
PNG ICO MORE
unread mail, envelope, mail
Black
64x64
unread, Gnome, mail
64, mail, read