code: private function assembleCSS(array $pValue = [])
      {
          $pairs = [];
          foreach ($pValue as $property => $value) {
              $pairs[] = $property . ':' . $value;
          }
          $string = implode('; ', $pairs);
  
          return $string;
      }
docs: Takes array where of CSS properties / values and converts to CSS string.
  
  @param array $pValue
  
  @return string