old_contents: // TODO: Add support for setting styles
  
  export default function css(node) {
    return window.getComputedStyle(node);
  }
  
new_contents: /**
   * Get current styling of a HTML element and optionally set given style first
   * @param  {HTMLElement} elm - HTML Element to get the style from
   * @param  {Object} style - [optional] Styling to set on the elment
   * @return {Object} - Current styling on the element
   */
  export default function css(elm, style) {
    // If styles are defined, then add them to the elments inline style
    if(style) {
      // Go through each style
      Object.keys(style).forEach((key) => {
        // camelCase the key
        const camelKey = key.replace(/-[a-z]/gi, (m) => m[1].toUpperCase());
        // Set the style
        elm.style[camelKey] = style[key];
      });
    }
  
    // return current style
    return window.getComputedStyle(elm);
  }
  
subject: Update 'css' script to also be able to set styles