chromium/src/third_party/blink/renderer/core/html/forms/resources/pickerButton.css

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

input[type='button'],
button {
    -webkit-appearance: none;
    -webkit-user-select: none;
    background-image: linear-gradient(#ededed, #ededed 38%, #dedede);
    border: 1px solid rgba(0, 0, 0, 0.25);
    border-radius: 2px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08),
    inset 0 1px 2px rgba(255, 255, 255, 0.75);
    color: #444;
    font: inherit;
    text-shadow: 0 1px 0 rgb(240, 240, 240);
    min-height: 2em;
    min-width: 4em;
    padding-inline-end: 10px;
    padding-inline-start: 10px;
    margin: 0;
}

:enabled:hover:-webkit-any(button, input[type='button']) {
    background-image: linear-gradient(#f0f0f0, #f0f0f0 38%, #e0e0e0);
    border-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.12), inset 0 1px 2px rgba(255, 255, 255, 0.95);
    color: black;
}

:enabled:active:-webkit-any(button, input[type='button']) {
    background-image: linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
    box-shadow: none;
    text-shadow: none;
}

:disabled:-webkit-any(button, input[type='button']) {
    background-image: linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
    border-color: rgba(80, 80, 80, 0.2);
    box-shadow: 0 1px 0 rgba(80, 80, 80, 0.08), inset 0 1px 2px rgba(255, 255, 255, 0.75);
    color: #aaa;
}

:enabled:focus:-webkit-any(button, input[type='button']) {
    transition: border-color 200ms;
    /* We use border color because it follows the border radius (unlike outline).
    * This is particularly noticeable on mac. */
    border-color: rgb(77, 144, 254);
    outline: none;
}