diff -r 000000000000 -r 6474c204b198 browser/themes/linux/devtools/netmonitor.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/themes/linux/devtools/netmonitor.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+/* 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/. */
+
+%include ../../shared/devtools/netmonitor.inc.css
+
+#headers-summary-resend {
+  padding: 4px;
+}
+
+.requests-menu-status-and-method {
+  width: 9em;
+}
+
+.requests-menu-domain {
+  width: 16vw;
+}
+
+.requests-menu-size {
+  width: 6em;
+}
+
+/* Responsive sidebar */
+@media (max-width: 700px) {
+  .requests-menu-header-button {
+    font-size: 85%;
+  }
+}