Examine source code of Dark blu II

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark blu II",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(99, 107, 123)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(60, 82, 94)",
      "tab_background_text": "rgb(253, 253, 234)",
      "toolbar_field": "rgb(22, 51, 51)",
      "toolbar_field_text": "rgb(233, 231, 237)",
      "tab_line": "rgb(74, 102, 104)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(242, 253, 241)",
      "button_background_active": "rgba(75, 52, 97, 0.81)",
      "icons_attention": "rgb(255, 0, 0)",
      "icons": "rgba(69, 255, 242, 0.81)",
      "ntp_background": "rgb(78, 95, 106)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(63, 79, 98)",
      "popup_highlight_text": "rgb(23, 31, 40)",
      "tab_loading": "rgb(74, 102, 104)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ee3cb783-ea98-411a-aa92-87b7557ba3be}"
    }
  }
}