import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/themes/linux/global/numberbox.css

@@ -0,0 +1,38 @@
+/* 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/. */
+
+/* ===== numberbox.css ==================================================
+  == Styles used by the XUL textbox type="number" element.
+  ======================================================================= */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+textbox[type="number"] {
+  -moz-appearance: none;
+  padding: 0 !important;
+  border: none;
+  cursor: default;
+  background-color: transparent;
+}
+
+html|*.numberbox-input {
+  text-align: right;
+}
+
+.numberbox-input-box {
+  -moz-box-align: center;
+  -moz-appearance: spinner-textfield;
+  margin-right: -1px;
+  border: 2px solid;
+  -moz-border-top-colors: ThreeDShadow ThreeDDarkShadow;
+  -moz-border-right-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-bottom-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-left-colors: ThreeDShadow ThreeDDarkShadow;
+  padding: 3px;
+}
+
+textbox[hidespinbuttons="true"] > .numberbox-input-box {
+  -moz-appearance: textfield;
+}