File Selector Button

Pseudo-element

::file-selector-button

Styles the button of file input elements.

Example

input[type='file']::file-selector-button {
  padding: 8px 16px;
  background: blue;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

Specificity

0-0-1

Browser Support

All modern browsers

About the File Selector Button

The ::file-selector-button CSS selector belongs to the Pseudo-element category.Styles the button of file input elements. Understanding CSS selector specificity and combinators is essential for writing maintainable stylesheets that behave predictably.

The specificity of this selector is 0-0-1. CSS specificity determines which styles are applied when multiple rules target the same element. Higher specificity values take precedence. The specificity hierarchy from lowest to highest is: universal (*) → type/element → class/attribute/pseudo-class → ID → inline styles → !important.

Browser support for File Selector Button is: All modern browsers. When using newer CSS selectors like :has(), :is(), or CSS nesting, consider providing fallback styles for older browsers. Use @supports to progressively enhance your stylesheets with modern features while maintaining backward compatibility.

Related Selectors

::placeholder ::before ::after