Examine source code of Sailor Moon

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Sailor Moon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y"
      ]
    },
    "colors": {
      "toolbar": "rgb(251, 251, 196)",
      "toolbar_text": "rgb(255, 199, 199)",
      "frame": "rgb(229, 245, 255)",
      "tab_background_text": "rgb(247, 225, 240)",
      "toolbar_field": "rgb(248, 248, 248)",
      "toolbar_field_text": "rgb(240, 218, 252)",
      "tab_line": "rgb(251, 255, 140)",
      "popup": "rgb(241, 227, 248)",
      "popup_text": "rgb(255, 237, 219)",
      "tab_loading": "rgb(251, 255, 140)"
    }
  }
}