metadata:
  size: "16:9"

slides:
  - elements:
      # 空字体属性
      - type: text
        box: [1, 1, 3, 0.5]
        content: "Empty Font Attributes"
        font: {}

      # 空字体
      - type: text
        box: [1, 2, 3, 0.5]
        content: "No Font Field"