code: function(ruleClassName, elementClassName){
          if(!elementClassName){
              return false;
          }
          for(var i = 0; i < ruleClassName.length; i++){
              if((' ' + elementClassName + ' ').indexOf(' ' + ruleClassName[i] + ' ') === -1){
                  return false;
              }
          }
          return true;
      }
docs: Checks if the element class names match the provided CSS selector names
  @param  {Array}  ruleClassName    Class name of CSS selector
  @param  {String} elementClassName Class name of element
  @return {Bool}                    Whether element class names CSS selectors