::file-selector-button

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.

::file-selector-button CSS 伪元素代表 type="file"<input> 的按钮。

尝试一下

语法

css
selector::file-selector-button

示例

基本示例

HTML

html
<form>
  <label for="fileUpload">Upload file</label>
  <input type="file" id="fileUpload" />
</form>

CSS

css
input[type="file"]::file-selector-button {
  border: 2px solid #6c5ce7;
  padding: 0.2em 0.4em;
  border-radius: 0.2em;
  background-color: #a29bfe;
  transition: 1s;
}

input[type="file"]::file-selector-button:hover {
  background-color: #81ecec;
  border: 2px solid #00cec9;
}

结果

请注意 ::file-selector-button 是一个完整元素,因此与 UA 样式表中的规则相匹配。特别是,字体和颜色不一定会从 input 元素继承。

回退示例

HTML

html
<form>
  <label for="fileUpload">Upload file</label>
  <input type="file" id="fileUpload" />
</form>

CSS

css
input[type="file"]::file-selector-button {
  border: 2px solid #6c5ce7;
  padding: 0.2em 0.4em;
  border-radius: 0.2em;
  background-color: #a29bfe;
  transition: 1s;
}

input[type="file"]::-ms-browse:hover {
  background-color: #81ecec;
  border: 2px solid #00cec9;
}

input[type="file"]::-webkit-file-upload-button:hover {
  background-color: #81ecec;
  border: 2px solid #00cec9;
}

input[type="file"]::file-selector-button:hover {
  background-color: #81ecec;
  border: 2px solid #00cec9;
}

结果

规范

Specification
CSS Pseudo-Elements Module Level 4
# file-selector-button-pseudo

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
::file-selector-button

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
Uses a non-standard name.
Has more compatibility info.

参见