From a7a95b15c85c0c8d9875240de9e2e94f05789ec0 Mon Sep 17 00:00:00 2001
From: Adam Wathan <adam.wathan@gmail.com>
Date: Fri, 1 Mar 2019 09:06:58 -0500
Subject: [PATCH] Escape tracking class names

---
 src/plugins/tracking.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/plugins/tracking.js b/src/plugins/tracking.js
index 1fd6f185c..e5899c12b 100644
--- a/src/plugins/tracking.js
+++ b/src/plugins/tracking.js
@@ -1,11 +1,11 @@
 import _ from 'lodash'
 
 export default function() {
-  return function({ addUtilities, config }) {
+  return function({ addUtilities, config, e }) {
     const utilities = _.fromPairs(
       _.map(config('tracking'), (value, modifier) => {
         return [
-          `.tracking-${modifier}`,
+          `.${e(`tracking-${modifier}`)}`,
           {
             'letter-spacing': value,
           },