diff --git a/chrome/newtab_button_always_on_hover.css b/chrome/newtab_button_always_on_hover.css
new file mode 100644
index 0000000..8ae4dcd
--- /dev/null
+++ b/chrome/newtab_button_always_on_hover.css
@@ -0,0 +1,10 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/newtab_button_always_on_hover.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
+/* Always show tab close button on hover and never otherwise */
+#tabbrowser-tabs #tabs-newtab-button{
+  display:none;
+}
+#tabbrowser-tabs:hover #tabs-newtab-button{
+  display:-moz-box !important;
+}