Examine source code of Drive 3

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Drive 3",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(1, 4, 140, 0.44)",
      "toolbar_text": "rgb(0, 241, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(0, 241, 255)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 0, 0)",
      "tab_line": "rgb(255, 0, 179)",
      "popup": "rgb(5, 0, 84)",
      "popup_text": "rgb(0, 241, 255)",
      "button_background_active": "rgb(0, 241, 255)",
      "button_background_hover": "rgb(72, 6, 210)",
      "icons_attention": "rgb(255, 0, 0)",
      "icons": "rgb(255, 0, 179)",
      "ntp_background": "rgb(255, 0, 179)",
      "popup_border": "rgb(255, 0, 179)",
      "popup_highlight_text": "rgb(255, 0, 0)",
      "popup_highlight": "rgb(255, 0, 0)",
      "sidebar_border": "rgb(255, 0, 179)",
      "sidebar_highlight_text": "rgb(255, 0, 0)",
      "sidebar_highlight": "rgb(22, 13, 119)",
      "sidebar_text": "rgb(0, 241, 255)",
      "sidebar": "rgb(4, 6, 85)",
      "tab_loading": "rgb(72, 6, 210)",
      "tab_selected": "rgb(0, 241, 255)",
      "tab_text": "rgb(72, 6, 210)",
      "toolbar_bottom_separator": "rgb(72, 6, 210)",
      "toolbar_field_border_focus": "rgb(255, 0, 179)",
      "toolbar_field_border": "rgb(72, 6, 210)",
      "toolbar_field_highlight_text": "rgb(0, 241, 255)",
      "toolbar_field_highlight": "rgb(255, 0, 179)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0f7f4c88-7789-4864-b28b-71f85b956211}"
    }
  }
}