Basic HTML Tutorial Series - 10 - Applying Styles Using Classes And Ids

This tutorial covers the application of styles using classes and ids.

CSS Selectors. CSS selectors allow you to select and manipulate HTML elements. CSS selectors are used to "find" (or select) HTML elements based on their id, class, type, attribute, and more.(w3schools)

The #id selector styles the element with the specified id.(w3schools)