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.
Related to Header 3 Icon
Related icons are the icons with matching tags, as well as all editing icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors