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Mobile device icons
exclamation, messagebox
Goldenrod
512x512
messagebox, Information
messagebox, Error
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UI
Pixel
Lynx Black
messagebox, Critical
IndianRed
22x22
Computer & hardware
Smooth
Crystal Project
Maroon
256x256
messagebox, Info
WhiteSmoke
messagebox, warning
Black
Photography & graphic design
3D
Dark Glass
messagebox
Gold
128x128
RoyalBlue
Futurosoft
Critical, messagebox
32x32
Glaze
Information, messagebox
48x48
Crimson
64x64
warning, messagebox, Alert
Desktop apps
KDE Crystal Diamond
question, messagebox
Info, messagebox
Nuvola
DarkRed
DarkBlue
Mixed
Nuove
Info, Alert, messagebox
CornflowerBlue
Firebrick
realistiK Reloaded
Orange
Crystal Clear
SteelBlue
Red