Hey @Jameswilliam1122,
You need to add this to your HTML markup from a code editor. I recommend using VSCode. Once added, the shortcut will be available automatically in your browser. You can try the behavior on this page, using the "H" and "C" keys.
How to Add Keyboard Shortcut to Elements in HTML - Webtips
You can add keyboard shortcuts to your page through HTML with the global accesskey attribute. However, this may surface some problems...
https://www.webtips.dev/webtips/html/how-to-add-keyboard-shortcut-to-elements?utterances=eb20a4fccf2e5ece1f982b1eegYlDWP9bb8TAzR4uNuTGxoKttMlHA%2BpO4ri68m%2BnKPCUNzLlUNkaKaWZB2LSWsi1Lv%2FAHFo%2BNvGCBCAAxytIV2eMsWNeDk1r1HUBZp1DXNQ7QmuGwJSAcKFI4g%3D