There are 3 small squares. 2 of the three square appear to be floating above the bottom first square. The last square at the top layer is covered with dots. The bottom 2 layers beneath it have no dots or designs.
This is the Layers icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.