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Social media
Pixel
Social Icons
Delicious
Gray
16x16
Mighty Social Icons
WhiteSmoke
32x32
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WPZOOM Social Networking Icon Set
Gainsboro
38x38
Macchiato
Dj, Delicious
Black
20x20
32 Pixel Social Media Icons
Blue
Classy Social Media Icons
DarkGray
Social Networking
Social Media Mini
DarkSlateGray
15x15