css hack n' slash, continued: New styles for checkboxes and radios.

chrome/browser/resources/shared/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 the LICENSE file.
  */
 
+/* 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 **************************************************************/
 
 button:not(.custom-appearance):not(.link-button),
 input[type='button']:not(.custom-appearance):not(.link-button),
 input[type='submit']:not(.custom-appearance):not(.link-button),
-select {
+select,
+input[type='checkbox'],
+input[type='radio'] {
+  -webkit-appearance: none;
   -webkit-user-select: none;
+  background-image: -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
   border-radius: 2px;
   border: 1px solid rgba(0, 0, 0, 0.25);
   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;
+  text-shadow: 0 1px 0 rgb(240, 240, 240);
+}
+
+button:not(.custom-appearance):not(.link-button),
+input[type='button']:not(.custom-appearance):not(.link-button),
+input[type='submit']:not(.custom-appearance):not(.link-button),
+select {
   height: 2em;
-  margin: 0 1px 0 0;
   min-width: 4em;
-  text-shadow: 0 1px 0 rgb(240, 240, 240);
 }
 
 button:not(.custom-appearance):not(.link-button),
 input[type='button']:not(.custom-appearance):not(.link-button),
 input[type='submit']:not(.custom-appearance):not(.link-button) {
   -webkit-padding-end: 10px;
   -webkit-padding-start: 10px;
-  background-image:
-      -webkit-gradient(linear, left top, left bottom,
-                       color-stop(0, rgb(237, 237, 237)),
-                       color-stop(0.38, rgb(237, 237, 237)),
-                       color-stop(1, rgb(222, 222, 222)));
 }
 
 select {
   -webkit-appearance: none;
   -webkit-padding-end: 20px;
   -webkit-padding-start: 6px;
+  /* OVERRIDE */
   background-image: url('../images/select.png'),
-      -webkit-gradient(linear, left top, left bottom,
-                       color-stop(0, rgb(237, 237, 237)),
-                       color-stop(0.38, rgb(237, 237, 237)),
-                       color-stop(1, rgb(222, 222, 222)));
+      -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
   background-position: right center;
   background-repeat: no-repeat;
   overflow: hidden;
   text-align: left;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
 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%;
+  height: 15px;
+  position: relative;
+  width: 15px;
+}
+
+/* Checked ********************************************************************/
+
+input[type='checkbox']:checked::before {
+  -webkit-user-select: none;
+  background-image: url('../images/check.png');
+  background-size: 100% 100%;
+  content: '';
+  display: block;
+  height: 100%;
+  width: 100%;
+}
+
+html[dir='rtl'] input[type='checkbox']:checked::before {
+  -webkit-transform: scaleX(-1);
+}
+
+input[type='radio']:checked::before {
+  background-color: #666;
+  border-radius: 100%;
+  bottom: 25%;
+  content: '';
+  display: block;
+  left: 25%;
+  position: absolute;
+  right: 25%;
+  top: 25%;
+}
+
 /* Hover **********************************************************************/
 
 button:not(.custom-appearance):not(.link-button):enabled:hover,
 input[type='button']:not(.custom-appearance):not(.link-button):enabled:hover,
-input[type='submit']:not(.custom-appearance):not(.link-button):enabled:hover {
-  background-image: -webkit-gradient(linear, left top, left bottom,
-                                     color-stop(0, rgb(240, 240, 240)),
-                                     color-stop(0.38, rgb(240, 240, 240)),
-                                     color-stop(1, rgb(224, 224, 224)));
-}
-
-select:enabled:hover {
-  background-image: url('../images/select.png'),
-      -webkit-gradient(linear, left top, left bottom,
-                       color-stop(0, rgb(237, 237, 237)),
-                       color-stop(0.38, rgb(237, 237, 237)),
-                       color-stop(1, rgb(222, 222, 222)));
-}
-
-button:not(.custom-appearance):not(.link-button):enabled:hover,
-input[type='button']:not(.custom-appearance):not(.link-button):enabled:hover,
 input[type='submit']:not(.custom-appearance):not(.link-button):enabled:hover,
-select:enabled:hover {
+select:enabled:hover,
+input[type='checkbox']:enabled:hover,
+input[type='radio']:enabled:hover {
+  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;
 }
 
+select:enabled:hover {
+  /* OVERRIDE */
+  background-image: url('../images/select.png'),
+      -webkit-linear-gradient(#f0f0f0, #f0f0f0 38%, #e0e0e0);
+}
+
 /* Active *********************************************************************/
 
 button:not(.custom-appearance):not(.link-button):enabled:active,
 input[type='button']:not(.custom-appearance):not(.link-button):enabled:active,
-input[type='submit']:not(.custom-appearance):not(.link-button):enabled:active {
-  background-image: -webkit-gradient(linear, left top, left bottom,
-                                     color-stop(0, rgb(231, 231, 231)),
-                                     color-stop(0.38, rgb(231, 231, 231)),
-                                     color-stop(1, rgb(215, 215, 215)));
+input[type='submit']:not(.custom-appearance):not(.link-button):enabled:active,
+select:enabled:active,
+input[type='checkbox']:enabled:active,
+input[type='radio']:enabled:active {
+  background-image: -webkit-linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
+  box-shadow: none;
+  text-shadow: none;
 }
 
 select:enabled:active {
+  /* OVERRIDE */
   background-image: url('../images/select.png'),
-      -webkit-gradient(linear, left top, left bottom,
-                       color-stop(0, rgb(231, 231, 231)),
-                       color-stop(0.38, rgb(231, 231, 231)),
-                       color-stop(1, rgb(215, 215, 215)));
-}
-
-button:not(.custom-appearance):not(.link-button):enabled:active,
-input[type='button']:not(.custom-appearance):not(.link-button):enabled:active,
-input[type='submit']:not(.custom-appearance):not(.link-button):enabled:active,
-select:enabled:active {
-  box-shadow: none;
-  text-shadow: none;
+      -webkit-linear-gradient(#e7e7e7, #e7e7e7 38%, #d7d7d7);
 }
 
 /* Disabled *******************************************************************/
 
 button:not(.custom-appearance):not(.link-button):disabled,
 input[type='button']:not(.custom-appearance):not(.link-button):disabled,
 input[type='submit']:not(.custom-appearance):not(.link-button):disabled,
 select:disabled {
   border-color: rgba(0, 0, 0, 0.2);
   color: #999;
 }
 
 select:disabled {
   background-image: url('../images/disabled_select.png'),
-      -webkit-gradient(linear, left top, left bottom,
-                       color-stop(0, rgb(237, 237, 237)),
-                       color-stop(0.38, rgb(237, 237, 237)),
-                       color-stop(1, rgb(222, 222, 222)));
+      -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
+}
+
+input[type='checkbox']:disabled,
+input[type='radio']:disabled {
+  opacity: .75;
 }
 
 /* Focus **********************************************************************/
 
 button:not(.custom-appearance):not(.link-button):focus,
 input[type='submit']:not(.custom-appearance):focus,
-input[type='text']:not(.custom-appearance):focus,
+input[type='text']:focus,
+input[type='search']:focus {
+input[type='checkbox']:focus,
+input[type='radio']:focus,
 select:focus {
   -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;
 }
 
-/* Search boxes use an outline because it follows the contours of the box. */
-input[type='search']:not(.custom-appearance):focus {
-  outline-color: rgb(77, 144, 254);
-}
-
 /* 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 4px;
 }
 
 .link-button:hover {
   text-decoration: underline;
 }
 
 .link-button:active {
   color: rgb(5, 37, 119);
   text-decoration: underline;
 }
 
 .link-button[disabled] {
   color: #888;
   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>
+ */
+
+.checkbox,
+.radio {
+  margin: 0.45em 0;
+}
+
+.checkbox label,
+.radio label {
+  color: #444;
+  /* Don't expand horizontally: <http://crbug.com/112091>. */
+  display: -webkit-inline-box;
+}
+
+.checkbox label input ~ span,
+.radio label input ~ span {
+  -webkit-margin-start: 0.4em;
+  /* Make sure long spans wrap at the same horizontal position they start. */
+  display: block;
+}
+
+.checkbox label:hover,
+.radio label:hover {
+  color: black;
+}
+
+label > input[type=checkbox]:disabled ~ span,
+label > input[type=radio]:disabled ~ span {
+  color: #999;
+}
+
+/* Text inputs ****************************************************************/
+/* TODO(estade): add more types here? */
+input[type='password'],
+input[type='search'],
+input[type='text'],
+input[type='url'],
+input:not([type]) {
+  border: 1px solid #bfbfbf;
+  border-radius: 2px;
+  box-sizing: border-box;
+  font: inherit;
+  height: 2em;
+  margin: 0;
+  padding: 3px;
+}
+
+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;
+}
+
+input[type='text']:disabled {
+  color: #888;
+}