This Sortuj wg daty końcowej 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 4,300 icons, all in the same style and quality.
This is a picture of a box that has no top; it is completely open. inside the box is a triangle that is pointing to the right hand side attached to a vertical line. underneath the box is a downward pointing arrow