Learn to enhance the visual appeal of your web pages using CSS in this 31-minute tutorial video. Explore how to integrate CSS with Flask, implement basic styling, incorporate Google Fonts, create a stylish top bar, and organize page content effectively. Discover techniques for overriding default HTML element rules, utilizing the :hover pseudo-class, and structuring channels and messages. Gain practical insights into margins, padding, and other essential CSS concepts to elevate your web development skills.