code: function getMSDecls (area, addRowSpan = false, addColumnSpan = false) {
    return [].concat(
      {
        prop: '-ms-grid-row',
        value: String(area.row.start)
      },
      (area.row.span > 1 || addRowSpan) ? {
        prop: '-ms-grid-row-span',
        value: String(area.row.span)
      } : [],
      {
        prop: '-ms-grid-column',
        value: String(area.column.start)
      },
      (area.column.span > 1 || addColumnSpan) ? {
        prop: '-ms-grid-column-span',
        value: String(area.column.span)
      } : []
    )
  }
docs: Insert parsed grid areas 
  Get an array of -ms- prefixed props and values
  @param  {Object} [area] area object with column and row data
  @param  {Boolean} [addRowSpan] should we add grid-column-row value?
  @param  {Boolean} [addColumnSpan] should we add grid-column-span value?
  @return {Array<Object>}