code: function createEl(tag, prop) {
  let el = document.createElement(tag || 'div'),
      n;
  
  for (n in prop) el[n] = prop[n];
  return el;
  }
docs: /* A stylesheet to hold the @keyframe or VML rules. 
  Utility function to create elements. If no tag name is given,
  a DIV is created. Optionally properties can be passed.