at-supports-selector-file-selector-button.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/at-supports-selector-file-selector-button.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

  <head>

    <title>CSS Test (Conditional Rules): In @supports, ::file-selector-button can be parsed successfully</title>

    <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">

    <link rel="help" href="https://drafts.csswg.org/css-conditional-3/#at-supports">

    <link rel="help" href="https://drafts.csswg.org/css-pseudo/#file-selector-button-pseudo">

    <link rel="match" href="at-supports-001-ref.html">

    <style>

      div {

        background: red;

        height: 100px;

        width: 100px;

      @supports selector(input::file-selector-button) {

        div { background-color:green; }

    </style>

  </head>

  <body>

    <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>

    <div></div>

  </body>

</html>