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UI
Pixel
Fugue Icons
task, exclamation
DarkSlateGray
16x16
exclamation, telephone
LightGray
cone, exclamation, Traffic
DarkRed
drive, Flash, exclamation
DimGray
water, exclamation
SteelBlue
exclamation, frame
exclamation, button
Goldenrod
red, exclamation
Firebrick
White, exclamation
RoyalBlue
exclamation, White
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Tiny icons
exclamation
10x10
Door, exclamation
SaddleBrown
exclamation, Drawer
Drill, exclamation
drive, exclamation
envelope, exclamation
DarkGoldenrod
exclamation, equalizer
DarkGray
Eraser, exclamation
exclamation, diamond, frame
Black
frame, exclamation
diamond, exclamation
exclamation, frame, octagon
Khaki
exclamation, octagon