fix(curriculum): added the acceptance of spaces between 'type' and 'c…

…heckbox' to allow a coorect answer (freeCodeCamp#38329)

Co-Authored-By: Denice Veluz <deniceysis.veluz20@myhunter.cuny.edu>

curriculum/challenges/english/01-responsive-web-design/basic-css/use-attribute-selectors-to-style-elements.english.md

@@ -31,7 +31,7 @@ Using the <code>type</code> attribute selector, try to give the checkboxes in Ca
 ```yml
 tests:
   - text: The <code>type</code> attribute selector should be used to select the checkboxes.
-    testString: assert(code.match(/<style>[\s\S]*?\[type=("|')checkbox\1\]\s*?{[\s\S]*?}[\s\S]*?<\/style>/gi));
+    testString: assert(code.match(/<style>[\s\S]*?\[type[\s\S]*?=[\s\S]*?("|')checkbox\1\]\s*?{[\s\S]*?}[\s\S]*?<\/style>/gi));
   - text: The top margins of the checkboxes should be 10px.
     testString: assert((function() {var count=0; $("[type='checkbox']").each(function() { if($(this).css('marginTop') === '10px') {count++;}});return (count===3)}()));
   - text: The bottom margins of the checkboxes should be 15px.