Basic CSS. Use CSS Selectors to Style Elements
https://www.freecodecamp.org/learn/responsive-web-design/basic-css/use-css-selectors-to-style-elements Use CSS Selectors to Style Elements With CSS, there are hundreds of CSS properties that you can use to change the way an element looks on your page. When you entered CatPhotoApp, you were styling that individual h2 element with inline CSS, which stands for Cascading Style Sheets. That's one way..