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Flat icons
password, star
YellowGreen
256x256
cancel, password
Clock, password
shield, password
Key, password
password
pyramid, password
password, refresh
password, help
Attachment, password
password, Heart
Left, password
iOS 7 icons
Black
512x512
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Modern UI
appbar, interface, password
76x76
Free icons for Windows8/Metro
DarkSlateGray
Google Plus Interface Icons
LimeGreen
128x128
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Android icons
star, password
DarkGray
72x72
password, Down
password, zoom
password, Diskette
password, Add