This page shows the different variations of the Nagłówek 3 from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free. Icons are available in PNG and vector.
The icon comprises of a pair of empty block letters, a capital H and a 3. The icon represents the third level of header within an HTML document, below two layers of header, H2 and H1. This header level is typically used to represent sub-sub-sections of a document.