src/css/widgets.css

/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in https://chromium.googlesource.com/chromium/src/+/master/LICENSE */

/* This file defines styles for form controls. The order of rule blocks is
 * important as there are some rules with equal specificity that rely on order
 * as a tiebreaker. These are marked with OVERRIDE. */

/* Default state **************************************************************/

:-webkit-any(button,
             input[type='button'],
             input[type='submit']):not(.custom-appearance):not(.link-button),
select,
input[type='checkbox'],
input[type='radio'] {
  -webkit-appearance: none;
  -webkit-user-select: none;
  background-image: -webkit-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;
  margin: 0 1px 0 0;
  outline: none;
  text-shadow: 0 1px 0 rgb(240, 240, 240);
}

:-webkit-any(button,
             input[type='button'],
             input[type='submit']):not(.custom-appearance):not(.link-button),
select {
  min-height: 2em;
  min-width: 4em;

}

:-webkit-any(button,
             input[type='button'],
             input[type='submit']):not(.custom-appearance):not(.link-button) {
  -webkit-padding-end: 10px;
  -webkit-padding-start: 10px;
}

select {
  -webkit-appearance: none;
  -webkit-padding-end: 20px;
  -webkit-padding-start: 6px;
  /* OVERRIDE */
  background-image: -webkit-image-set(url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAQAAACxSAwfAAAAUklEQVQY02P4z0AMRGZGMaShwCisyhITmb8huMzfEhOxKvuvsGAh208Ik+3ngoX/FbBbClcIUcSAw21QhXxfIIrwKAMpfNsEUYRXGVCEFc6CQwBqq4CCCtU4VgAAAABJRU5ErkJggg==') 1x, url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAQCAQAAAA/1a6rAAAAQUlEQVR4Xu3MsQnAMBAEMI1+myf9gw0+3ASCenmu+mQn2yGn3S4Mp906DEW3CEPfzTD03QxD380w3OmIUHe9v+u9QwAt93yns5cAAAAASUVORK5CYII=') 2x),
      -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
  background-position: right center;
  background-repeat: no-repeat;
}

html[dir='rtl'] select {
  background-position: center left;
}

input[type='checkbox'] {

bottom: 2px;
  height: 13px;
  position: relative;
  vertical-align: middle;
  width: 13px;
}

input[type='radio'] {
  /* OVERRIDE */
  border-radius: 100%;
  bottom: 1px;
  height: 15px;
  position: relative;
  vertical-align: middle;
  width: 15px;
}

/* TODO(estade): add more types here? */
input[type='number'],
input[type='password'],
input[type='search'],
input[type='text'],
input[type='url'],
input:not([type]),
textarea {
  border: 1px solid #bfbfbf;
  border-radius: 2px;
  box-sizing: border-box;
  color: #444;
  font: inherit;
  margin: 0;
  /* Use min-height to accommodate addditional padding for touch as needed. */
  min-height: 2em;
  padding: 3px;
  outline: none;
/* For better alignment between adjacent buttons and inputs. */
  padding-bottom: 4px;
}

input[type='search'] {
  -webkit-appearance: textfield;
  /* NOTE: Keep a relatively high min-width for this so we don't obscure the end
   * of the default text in relatively spacious languages (i.e. German). */
  min-width: 160px;
}

/* Remove when https://bugs.webkit.org/show_bug.cgi?id=51499 is fixed.
 * TODO(dbeam): are there more types that would benefit from this? */
input[type='search']::-webkit-textfield-decoration-container {
  direction: inherit;
}

/* Checked ********************************************************************/

input[type='checkbox']:checked::before {
  -webkit-user-select: none;
  background-image: -webkit-image-set(url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAALCAQAAAADpb+tAAAAaElEQVR4Xl3PIQoCQQCF4Y8JW42D1bDZ4iVEjDbxFpstYhC7eIVBZHkXFGw734sv/TqDQQ8Xb1udja/I8igeIm7Aygj2IpoKTGZnVRNxAHYi4iPiDlA9xX+aNQDFySziqDN6uSp6y7ofEMwZ05uUZRkAAAAASUVORK5CYII=') 1x, url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAQAAABuvaSwAAAAvElEQVR4XrXPMUrDYBzG4UeRZnAQnFxq3XT3AsVABm8QPIHQIeAJuoqb2s1BcHAIin4HVLqEvx9NQgb5rc/wvn4mNBUbqlKDcezCp6Qexxx7lbapx/CBe6mrHsYrKXQ7hKtIre1nOD/W9eiQiK80inis680JEc+1kien+TEfzom4sJG2aZXxmG9LIqaRerohx6V2J72zl2NY2OTUgxm7MEU25sURfZg4590Zw5iFZ8mXS0ZwN+eaPjyh/8O/H7bzPJ5NOo0AAAAASUVORK5CYII=') 2x);
  background-size: 100% 100%;
  content: '';
  display: block;
  height: 100%;
  width: 100%;
}

input[type='radio']:checked::before {
  background-color: #666;
  border-radius: 100%;
  bottom: 3px;
  content: '';
  display: block;
  left: 3px;
  position: absolute;
  right: 3px;
  top: 3px;
}

/* Hover **********************************************************************/

:enabled:hover:-webkit-any(
    select,
    input[type='checkbox'],
    input[type='radio'],
    :-webkit-any(
        button,
        input[type='button'],
        input[type='submit']):not(.custom-appearance):not(.link-button)) {
  background-image: -webkit-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:hover:-webkit-any(select) {
  /* OVERRIDE */
  background-image: -webkit-image-set(url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAQAAACxSAwfAAAAUklEQVQY02P4z0AMRGZGMaShwCisyhITmb8huMzfEhOxKvuvsGAh208Ik+3ngoX/FbBbClcIUcSAw21QhXxfIIrwKAMpfNsEUYRXGVCEFc6CQwBqq4CCCtU4VgAAAABJRU5ErkJggg==') 1x, url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAQCAQAAAA/1a6rAAAAQUlEQVR4Xu3MsQnAMBAEMI1+myf9gw0+3ASCenmu+mQn2yGn3S4Mp906DEW3CEPfzTD03QxD380w3OmIUHe9v+u9QwAt93yns5cAAAAASUVORK5CYII=') 2x),
      -webkit-linear-gradient(#f0f0f0, #f0f0f0 38%, #e0e0e0);
}

/* Active *********************************************************************/

:enabled:active:-webkit-any(
    select,
    input[type='checkbox'],
    input[type='radio'],
    :-webkit-any(
        button,
        input[type='button'],
        input[type='submit']):not(.custom-appearance):not(.link-button)) {
  background-image: -webkit-linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
  box-shadow: none;
  text-shadow: none;
}

:enabled:active:-webkit-any(select) {
  /* OVERRIDE */
  background-image: -webkit-image-set(url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAQAAACxSAwfAAAAUklEQVQY02P4z0AMRGZGMaShwCisyhITmb8huMzfEhOxKvuvsGAh208Ik+3ngoX/FbBbClcIUcSAw21QhXxfIIrwKAMpfNsEUYRXGVCEFc6CQwBqq4CCCtU4VgAAAABJRU5ErkJggg==') 1x, url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAQCAQAAAA/1a6rAAAAQUlEQVR4Xu3MsQnAMBAEMI1+myf9gw0+3ASCenmu+mQn2yGn3S4Mp906DEW3CEPfzTD03QxD380w3OmIUHe9v+u9QwAt93yns5cAAAAASUVORK5CYII=') 2x),
      -webkit-linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
}

/* Disabled *******************************************************************/

:disabled:-webkit-any(
    button,
    input[type='button'],
    input[type='submit']):not(.custom-appearance):not(.link-button),
select:disabled {
  background-image: -webkit-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;
}

select:disabled {
  /* OVERRIDE */
  background-image: -webkit-image-set(url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAICAQAAACxSAwfAAAASklEQVQY02P4z0AMRGZGMaShwCisyhITG/4jw8RErMr+KyxYiFC0YOF/BeyWIikEKWLA4Ta4QogiPMpACt82QRThVQYUYYWz4BAAGr6Ii6kEPacAAAAASUVORK5CYII=') 1x, url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACYAAAAQCAQAAADQF8WVAAAARElEQVR4Xu3MsQ0AIAwEsYx+m4fySsgLOuTe1Re9z4De4DzbdVDnmZ0ENcrsZJVkdoIKMzurMLOzSjNhlWfCapBlfpZbeMFeGdxKIEQAAAAASUVORK5CYII=') 2x),
      -webkit-linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
}

input:disabled:-webkit-any([type='checkbox'],
                           [type='radio']) {
  opacity: .75;
}

input:disabled:-webkit-any([type='password'],
                           [type='search'],
                           [type='text'],
                           [type='url'],
                           :not([type])) {
  color: #999;
}

/* Focus **********************************************************************/

:enabled:focus:-webkit-any(
    select,
    input[type='checkbox'],
    input[type='number'],
    input[type='password'],
    input[type='radio'],
    input[type='search'],
    input[type='text'],
    input[type='url'],
    input:not([type]),
    :-webkit-any(
         button,
         input[type='button'],
         input[type='submit']):not(.custom-appearance):not(.link-button)) {
  /* OVERRIDE */
  -webkit-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;
}

/* Link buttons ***************************************************************/

.link-button {
  -webkit-box-shadow: none;
  background: transparent none;
  border: none;
  color: rgb(17, 85, 204);
  cursor: pointer;
  /* Input elements have -webkit-small-control which can override the body font.
   * Resolve this by using 'inherit'. */
  font: inherit;
  margin: 0;
  padding: 0;
}

.link-button:hover {
  text-decoration: underline;
}

.link-button:active {
  color: rgb(5, 37, 119);
  text-decoration: underline;
}

.link-button[disabled] {
  color: #999;
  cursor: default;
  text-decoration: none;
}

/* Checkbox/radio helpers ******************************************************
 *
 * .checkbox and .radio classes wrap labels. Checkboxes and radios should use
 * these classes with the markup structure:
 *
 *   <div class="checkbox">
 *     <label>
 *       <input type="checkbox"></input>
 *       <span>
 *     </label>
 *   </div>
 */

:-webkit-any(.checkbox, .radio) label {
  /* Don't expand horizontally: <http://crbug.com/112091>. */
  display: -webkit-inline-box;
  padding-bottom: 7px;
  padding-top: 7px;
}

:-webkit-any(.checkbox, .radio) label input ~ span {
  -webkit-margin-start: 0.6em;
  -webkit-user-select: none;
  /* Make sure long spans wrap at the same horizontal position they start. */
  display: block;
}

:-webkit-any(.checkbox, .radio) label:hover {
  color: black;
}

label > input:disabled:-webkit-any([type='checkbox'], [type='radio']) ~ span {
  color: #999;
}