<!-- * ******************************************************************************************* * HTML5 Cheat sheet by Hackr.io * Source: https://websitesetup.org/wp-content/uploads/2014/02/HTML-CHEAT-SHEET-768x8555.png * ******************************************************************************************* * --> <!-- Document Summary --> <!DOCTYPE html> <!-- Tells the browser that HTML5 version of HTML to be recognized by the browser --> <html lang="en"></html> <!-- The HTML lang attribute...