Do you have to have a class in a span tag to be able to style it?

When you wrap text with an opening <span> and closing </span> , you're simply providing a hook—one that allows you to add styles (by adding a class attribute and using CSS to define the look of that class), or interact with the element via JavaScript and the Document Object Model (DOM).May 14, 2014

Explanation:

answer; i believe the answer is tls,transport layer security;