H1 header - <a href='http:///pluralsight.com'<img src='https://gillcleerenpluralsight.blob.core.windows.net/files/pluralsight.png' height='60' alt='Pluralsight Logo'> A great course on Github Pluralsight demo repo... H2 header - Use number of pound signs to display headers... H3 header - Use stars to display lists item 1 item 2 etc...