gistfile1.txt

var CSS="body { background: #fff; color: #000; font-family: Helvetica, Verdana, sans-serif; }   .section { background: #e6b277; padding: 1em; margin: 1em; border: 1px solid #521302; }   .example code { display: block; background: #e6d4a5; border: 1px solid #521302; padding: 0.8em; line-height: 1.4em; }       #ex1 ul .first { font-size: 1.5em; color: #f0f;  }";

var directChildMatch = CSS.match(/[a-zA-Z0-9\.-_\+\~#\s]*?\>\s?[a-zA-Z0-9\.-_\+\~#]*/gi);

if(directChildMatch) directChildMatch=directChildMatch.join(", ");

alert(directChildMatch);