import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

accessible/jsat/AccessFu.css

@@ -0,0 +1,59 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#virtual-cursor-box {
+  position: fixed;
+  border: 1px solid orange;
+  pointer-events: none;
+  display: none;
+  border-radius: 2px;
+  box-shadow: 1px 1px 1px #444;
+  display: none;
+  z-index: 10;
+}
+
+#virtual-cursor-box.show {
+  display: block;
+}
+
+#virtual-cursor-box > div {
+  border-radius: 1px;
+  box-shadow: inset 1px 1px 1px #444;
+  display: block;
+  box-sizing: border-box;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+}
+
+#announce-box {
+  position: fixed;
+  width: 7.5em;
+  height: 5em;
+  top: calc(100% - 50% - 2.5em);
+  left: calc(100% - 50% - 3.75em);
+  pointer-events: none;
+  display: table;
+  font-size: 28pt;
+  font-weight: 700;
+  color: orange;
+  background-color: black;
+  border-radius: 0.25em;
+}
+
+#announce-box:not(.showing) {
+  opacity: 0.0;
+  -moz-transition: opacity 0.4s linear;
+}
+
+#announce-box.showing {
+  opacity: 1.0;
+  -moz-transition: opacity 0.2s linear;
+}
+
+#announce-box * {
+  text-align: center;
+  display: table-cell;
+  vertical-align: middle;
+}