Examine source code of Entombed - Clandestine

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Entombed - Clandestine",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(35, 35, 89, 0.31)",
      "toolbar_text": "rgb(203, 22, 31)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(220, 134, 147)",
      "toolbar_field": "rgba(222, 222, 222, 0.85)",
      "toolbar_field_text": "rgb(82, 85, 162)",
      "tab_line": "rgb(255, 246, 122)",
      "popup": "rgba(14, 12, 49, 0.41)",
      "popup_text": "rgb(255, 246, 122)",
      "frame_inactive": "rgb(121, 41, 45)",
      "ntp_background": "rgba(15, 1, 26, 0.91)",
      "ntp_text": "rgba(215, 133, 241, 0.91)",
      "tab_selected": "rgba(82, 85, 162, 0.19)",
      "tab_text": "rgb(203, 22, 31)",
      "tab_loading": "rgb(255, 246, 122)"
    }
  }
}