html

degrees HTML: & deg;            

href HTML tag attribute. Specifies a URL.   W3Schools         

non-breaking space & nbsp; Adds a space in HTML.   W3Schools         

preformatted text (pre) pre HTML tag that defines preformatted text, such as computer code.   W3Schools         

rel HTML tag attribute. Specifies the relationship between the current document and the linked document.   W3Schools         

sub HTML tag for subscript text.   W3Schools         

sup HTML tag for superscript.   W3Schools         

times & times; HTML symbol for the multiplication sign.            

unordered list (ul) HTML tag that defines a unordered list marked with bullets. Used with the li tag to create the list.   W3Schools         

web safe font Offer compatibility with most modern browsers.   W3Schools