Examine source code of Solo Blue Dragon

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Solo Blue Dragon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(9, 61, 113)",
      "toolbar_text": "rgb(13, 163, 241)",
      "frame": "rgb(6, 36, 68)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(9, 61, 113)",
      "toolbar_field_text": "rgb(13, 163, 241)",
      "tab_line": "rgb(160, 166, 170)",
      "popup": "rgb(13, 163, 241)",
      "popup_text": "rgb(0, 0, 0)",
      "ntp_background": "rgb(160, 166, 170)",
      "sidebar_highlight": "rgb(11, 117, 250)",
      "tab_loading": "rgb(160, 166, 170)"
    }
  }
}