Examine source code of my yellow flower

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "my yellow flower",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(198, 233, 177, 0.17)",
      "toolbar_text": "rgb(149, 88, 11)",
      "frame": "rgb(216, 240, 207)",
      "tab_background_text": "rgb(164, 7, 45)",
      "toolbar_field": "rgba(97, 139, 81, 0.05)",
      "toolbar_field_text": "rgb(18, 51, 221)",
      "tab_line": "rgb(52, 192, 35)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(52, 192, 35)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3a12d77f-2c0b-40c2-96bc-77ef6f2ec343}"
    }
  }
}