Examine source code of cyan_tubes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "cyan_tubes",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(9, 33, 49, 0.75)",
      "toolbar_text": "rgba(211, 238, 255, 0.75)",
      "frame": "rgb(3, 26, 41)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(38, 70, 90, 0.75)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(105, 79, 49, 0)",
      "popup": "rgba(16, 51, 75, 0.83)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(105, 79, 49, 0)"
    }
  }
}