Examine source code of Moon

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Moon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(138, 195, 192)",
      "toolbar_text": "rgb(33, 62, 75)",
      "frame": "rgb(225, 231, 209)",
      "tab_background_text": "rgb(5, 5, 31)",
      "toolbar_field": "rgba(251, 251, 239, 0.46)",
      "toolbar_field_text": "rgb(5, 5, 31)",
      "tab_line": "rgb(151, 183, 191)",
      "popup": "rgb(239, 241, 235)",
      "popup_text": "rgb(23, 23, 211)",
      "tab_loading": "rgb(151, 183, 191)"
    }
  }
}