Options2: Pull the trigger.

chrome/browser/resources/options2/content_settings.css

+/*
+Copyright (c) 2011 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.
+*/
+
+.exception-pattern {
+  -webkit-box-flex: 1;
+  -webkit-margin-end: 10px;
+  -webkit-margin-start: 14px;
+}
+
+.exception-setting {
+  display: inline-block;
+  width: 120px;
+}
+
+select.exception-setting {
+  vertical-align: middle;
+}
+
+#exception-column-headers {
+  -webkit-margin-start: 17px;
+  display: -webkit-box;
+  margin-top: 17px;
+}
+
+#exception-column-headers > div {
+  font-weight: bold;
+}
+
+#exception-pattern-column {
+  -webkit-box-flex: 1;
+}
+
+#exception-behavior-column {
+  width: 145px;
+}
+
+.otr-explanation {
+  font-style: italic;
+}
+
+#content-settings-exceptions-area list {
+  margin-bottom: 10px;
+  margin-top: 4px;
+}
+
+#disable-plugins-container {
+  margin: 7px 0px;
+}
+
+div[role="listitem"][managedby] {
+  color: #666;
+  font-style: italic;
+  position: relative;
+}
+
+.settings-list div[role="listitem"][managedby="policy"],
+.settings-list div[role="listitem"][managedby="extension"] {
+  background: -webkit-linear-gradient(#fff1b5, #fae692);
+  border-top: 0;
+  border-bottom: 1px solid #c9bd8d;
+}
+
+list div[role="listitem"][managedby="policy"] .close-button {
+  background-image: url("chrome://theme/IDR_MANAGED");
+  opacity: 1;
+}
+
+list div[role="listitem"][managedby="extension"] .close-button {
+  background-image: url("chrome://theme/IDR_EXTENSIONS_SECTION_SMALL");
+  opacity: 1;
+}