Examine source code of Dark Time

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Time",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-009-f069b97f439938a011297c84464f0df6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(54, 93, 151)",
      "toolbar_text": "rgb(240, 14, 246)",
      "frame": "rgb(9, 22, 72)",
      "tab_background_text": "rgb(228, 167, 251)",
      "toolbar_field": "rgb(129, 36, 178)",
      "toolbar_field_text": "rgb(231, 190, 247)",
      "tab_line": "rgb(207, 78, 255)",
      "popup": "rgb(79, 34, 136)",
      "popup_text": "rgb(171, 64, 212)",
      "button_background_active": "rgb(184, 107, 213)",
      "button_background_hover": "rgb(216, 154, 240)",
      "icons_attention": "rgb(221, 183, 234)",
      "icons": "rgb(102, 116, 232)",
      "tab_loading": "rgb(207, 78, 255)"
    }
  }
}