Layers are the way to place icons and text visually on top of each other. With this approach you can use more than two icons, use multiple colors, and layer text and/or counters onto an icon.
Add inside your layers element to put text on top of an icon.
Add inside your layers element to put text on top of an icon, applying the given transforms to it.
Adds a counter to the top right of your icons. Can be positioned with layersBottomLeft, layersBottomRight,
layersTopLeft and the default layersTopRight. Overflow text is truncated with an ellipsis.
There are also some attributes to control positioning of counters.
Apply the fa-layers-bottom-left class to the element.
Apply the fa-layers-bottom-right class to the element.
Apply the fa-layers-top-left class to the element.
Apply the fa-layers-top-right class to the element.
Convenience function for producing layers of icons.