css pseudo class
`:-moz-submit-invalid` CSS pseudo-class
The :-moz-submit-invalid CSS pseudo-class is a Mozilla extension that represents any submit <button> on forms whose contents aren’t valid based on their validation constraints.
By default, no style is applied. You can use this pseudo-class to customize the appearance of the submit button when there are invalid form fields.
Syntax
:-moz-submit-invalid {
/* ... */
}
Specifications
Not part of any standard.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.