This document provides links to resources for adding different types of content to web pages using HTML and CSS including tables, videos, Google fonts, text animation, borders, iframes, and text effects like shadows and opacity. The links cover topics such as the most important CSS techniques, how to add YouTube videos, using CSS animations, CSS border properties, iframe generators, when to use the !important rule, CSS text generators, and CSS properties for text shadows and opacity along with any needed vendor prefixes.