Examine source code of Dark animated theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark animated theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y"
      ]
    },
    "colors": {
      "toolbar": "rgba(184, 143, 143, 0.03)",
      "toolbar_text": "rgb(247, 241, 241)",
      "frame": "rgb(4, 0, 0)",
      "tab_background_text": "rgb(251, 153, 112)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(253, 253, 253)",
      "tab_line": "rgb(112, 8, 248)",
      "popup": "rgb(4, 0, 0)",
      "popup_text": "rgb(253, 248, 248)",
      "button_background_active": "rgba(32, 6, 245, 0.9)",
      "button_background_hover": "rgb(75, 62, 45)",
      "icons_attention": "rgb(248, 164, 8)",
      "icons": "rgb(0, 83, 255)",
      "popup_border": "rgba(32, 6, 245, 0.9)",
      "tab_selected": "rgb(136, 135, 134)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgba(32, 6, 245, 0.9)",
      "toolbar_field_border": "rgba(32, 6, 245, 0.9)",
      "toolbar_field_focus": "rgba(13, 1, 116, 0.9)",
      "toolbar_top_separator": "rgba(184, 143, 143, 0.03)",
      "toolbar_vertical_separator": "rgb(1, 125, 255)",
      "tab_loading": "rgb(112, 8, 248)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3d761747-4453-4efd-915c-542957bfd590}"
    }
  }
}