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Elegant Themes
warning, paper
LightGray
48x48
Gloss: Basic
bookmark, Alert, warning
32x32
Farm-Fresh Web
Database, warning, db
Silk
Error, wrong, Alert
16x16
Fugue
Alert, warning, Error
Alert, telephone, warning
Orb
exclamation, delete, remove
128x128
UI
Smooth
Elegant Themes Icons