::file-selector-buttonThe ::file-selector-button CSS pseudo-element selects the button of a <input type="file"> element.selectorsSelectorswidely2021-04-262023-10-26https://drafts.csswg.org/css-pseudo-4/#file-selector-button-pseudohttps://developer.mozilla.org/docs/Web/CSS/Reference/Selectors/::file-selector-buttoncss.selectors.file-selector-buttonhttps://nowyoucanuse.com/features--file-selector-button.html