Idea of Creative Commons Icon
The image is of a closed circle. Inside the circle are two letters. The letters are capitalized Cs. They are side by side but not touching each other. The Cs are also not touching any part of the circle's edge.
This Creative Commons icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,100 icons, all in the same style and quality.