diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-css/understand-absolute-versus-relative-units.english.md b/curriculum/challenges/english/01-responsive-web-design/basic-css/understand-absolute-versus-relative-units.english.md
index f7aa15fa0a..aba3b24d0e 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-css/understand-absolute-versus-relative-units.english.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-css/understand-absolute-versus-relative-units.english.md
@@ -27,7 +27,7 @@ tests:
   - text: Your <code>red-box</code> class should have a <code>padding</code> property.
     testString: assert($('.red-box').css('padding-top') != '0px' && $('.red-box').css('padding-right') != '0px' && $('.red-box').css('padding-bottom') != '0px' && $('.red-box').css('padding-left') != '0px');
   - text: Your <code>red-box</code> class should give elements 1.5em of <code>padding</code>.
-    testString: assert(code.match(/\.red-box\s*?{(\s|.)*?padding:\s*?1\.5em/gi));
+    testString: assert(code.match(/\.red-box\s*?{[\s\S]*padding:\s*?1\.5em/gi));
 
 ```