https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pt/using-multiple-css-classes 2022-09-10T01:34:41.474092194Z Using multiple CSS classes talkthrough https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pc/challenge-a-classy-gallery 2022-09-10T01:34:41.474092194Z Challenge: A classy gallery challenge https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pt/combining-css-class-and-element-selectors 2022-09-10T01:34:41.474092194Z Combining CSS class and element selectors talkthrough https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pc/challenge-classes-of-elements 2022-09-10T01:34:41.474092194Z Challenge: Classes of elements challenge https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pt/css-descendant-selectors 2022-09-10T01:34:41.474092194Z CSS descendant selectors talkthrough https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pc/challenge-descendants-of-khan 2022-09-10T01:34:41.474092194Z Challenge: Descendants of Khan challenge https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pt/grouping-css-selectors 2022-09-10T01:34:41.474092194Z Grouping CSS selectors talkthrough https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pt/css-dynamic-pseudo-classes 2022-09-10T01:34:41.474092194Z CSS dynamic pseudo-classes talkthrough https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pc/challenge-grouped-animals 2022-09-10T01:34:41.474092194Z Challenge: Grouped animals challenge https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/pt/css-specificity 2022-09-10T01:34:41.474092194Z CSS specificity talkthrough https://www.khanacademy.org/computing/computer-programming/html-css/more-css-selectors/e/quiz--css-specificity-rules 2026-04-07T22:59:30.107127435Z CSS specificity rules Test your knowledge of CSS specificity rules. Pamela Fox exercise