PNG ICO ICNS MORE
UI
Pixel
Gnome icons
frame, group, Form
Snow
24x24
frame
WhiteSmoke
Floating, frame, insert
frame, Column, insert
Black
insert, frame, Text
Text, Draw, frame
23x24
frame, vertical, Draw
Fugue Icons
Minus, frame, Circle
DarkSlateGray
16x16
octagon, Minus, frame
Circle, frame, plus
tick, frame, Check
frame, Clock
cross, Circle, Error
cross, frame, octagon
exclamation, frame
exclamation, frame, octagon
Khaki
frame, Information