improve mobile usability and add filter highlight

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit f304640):

https://ccm-english-dev--pr233-feature-mobile-wlzbulxq.web.app

_{(expires Mon, 31 Oct 2022 08:25:27 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: 0751040c68b31b650be151b7df18f09ae9dae1fb}