diff --git a/seed/challenges/01-front-end-development-certification/html5-and-css.json b/seed/challenges/01-front-end-development-certification/html5-and-css.json
index 3eb4ea7b92..886b2bf8d5 100644
--- a/seed/challenges/01-front-end-development-certification/html5-and-css.json
+++ b/seed/challenges/01-front-end-development-certification/html5-and-css.json
@@ -4265,7 +4265,7 @@
         "assert($(\"h1\").hasClass(\"blue-text\"), 'message: Your <code>h1</code> element should have the class <code>blue-text</code>.');",
         "assert($(\"h1\").attr(\"id\") === \"orange-text\", 'message: Your <code>h1</code> element should have the id of <code>orange-text</code>.');",
         "assert(code.match(/<h1.*style/gi) && code.match(/<h1.*style.*color\\s*?:/gi), 'message: Your <code>h1</code> element should have the inline style of <code>color&#58; white</code>.');",
-        "assert(code.match(/\\.pink-text\\s+\\{\\s+color:.*pink.*!important;\\s+\\}/gi), 'message: Your <code>pink-text</code> class declaration should have the <code>!important</code> keyword to override all other declarations.');",
+        "assert(code.match(/\\.pink-text\\s*?\\{\\s+color:.*pink.*!important;\\s+\\}/gi), 'message: Your <code>pink-text</code> class declaration should have the <code>!important</code> keyword to override all other declarations.');",
         "assert($(\"h1\").css(\"color\") === \"rgb(255, 192, 203)\", 'message: Your <code>h1</code> element should be pink.');"
       ],
       "descriptionPtBR": [