This Details 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 4,400 icons, all in the same style and quality.
There are three squares that are lined up vertically and they have two dashes beside each one. The first square contains a mountain and sun. The second square has a five petal flower inside. The third and bottom square has a sun inside.