If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source.  For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code.  There are many ways you could offer source, and different

opacity: .75;\n    }\n  }\n}\n\n// Additional properties for button version\n// iOS requires the button element instead of an anchor tag.\n// If you want the anchor version, it requires `href=\"#\"`.\n// See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile\n\n// stylelint-disable-next-line selector-no-qualifying-type\nbutton.close {\n  padding: 0;\n  background-color: transparent;\n  border: 0;\n  appearance: none;\n}\n\n// Future-proof disabling of clicks on `<a>` elements\n\n//...