Examine source code of Darkness Flowers

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Flowers",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(54, 54, 54, 0.57)",
      "toolbar_text": "rgb(255, 186, 199)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(117, 117, 117)",
      "toolbar_field": "rgb(45, 45, 45)",
      "toolbar_field_text": "rgb(0, 178, 172)",
      "tab_line": "rgb(255, 186, 199)",
      "popup": "rgb(54, 54, 54)",
      "popup_text": "rgb(0, 178, 172)",
      "button_background_active": "rgba(117, 117, 117, 0.59)",
      "button_background_hover": "rgba(117, 117, 117, 0.26)",
      "icons": "rgb(117, 117, 117)",
      "ntp_background": "rgb(45, 45, 45)",
      "ntp_text": "rgb(255, 186, 199)",
      "popup_border": "rgb(117, 117, 117)",
      "popup_highlight_text": "rgba(0, 178, 172, 0.24)",
      "popup_highlight": "rgba(0, 178, 172, 0.24)",
      "sidebar_border": "rgb(117, 117, 117)",
      "sidebar_highlight_text": "rgba(0, 178, 172, 0.22)",
      "sidebar_highlight": "rgba(0, 178, 172, 0.46)",
      "sidebar_text": "rgb(255, 186, 199)",
      "sidebar": "rgb(54, 54, 54)",
      "tab_background_separator": "rgba(0, 0, 0, 0)",
      "tab_selected": "rgba(255, 186, 199, 0.08)",
      "toolbar_bottom_separator": "rgba(72, 72, 72, 0)",
      "toolbar_field_border_focus": "rgba(0, 0, 0, 0)",
      "toolbar_field_border": "rgba(0, 0, 0, 0)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0)",
      "toolbar_field_separator": "rgba(0, 0, 0, 0)",
      "toolbar_field_text_focus": "rgba(72, 72, 72, 0)",
      "toolbar_top_separator": "rgba(72, 72, 72, 0)",
      "toolbar_vertical_separator": "rgba(0, 0, 0, 0)",
      "tab_loading": "rgb(255, 186, 199)"
    }
  }
}