diff --git a/chrome/numbered_tabs.css b/chrome/numbered_tabs.css
new file mode 100644
index 0000000..08d637f
--- /dev/null
+++ b/chrome/numbered_tabs.css
@@ -0,0 +1,4 @@
+/* Show a number before tab text*/
+
+.tabbrowser-tab:first-child{ counter-reset: nth-tab 0 } /* Change to -1 for 0-indexing */
+.tab-text::before{ content: counter(nth-tab) " "; counter-increment: nth-tab }
\ No newline at end of file