Examine source code of Melange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Melange",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-009-f069b97f439938a011297c84464f0df6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(125, 109, 95)",
      "toolbar_text": "rgb(190, 170, 157)",
      "frame": "rgb(55, 42, 31)",
      "tab_background_text": "rgb(181, 163, 148)",
      "toolbar_field": "rgb(76, 68, 62)",
      "toolbar_field_text": "rgb(236, 225, 215)",
      "tab_line": "rgb(230, 171, 77)",
      "popup": "rgb(74, 65, 58)",
      "popup_text": "rgb(236, 225, 215)",
      "button_background_hover": "rgb(89, 75, 62)",
      "frame_inactive": "rgb(125, 109, 95)",
      "icons_attention": "rgb(255, 188, 6)",
      "ntp_background": "rgb(125, 109, 95)",
      "ntp_text": "rgb(76, 68, 62)",
      "popup_border": "rgb(125, 109, 95)",
      "popup_highlight": "rgb(193, 167, 142)",
      "sidebar_border": "rgb(76, 68, 62)",
      "sidebar_highlight_text": "rgb(76, 68, 62)",
      "sidebar_highlight": "rgb(125, 109, 95)",
      "sidebar_text": "rgb(202, 187, 172)",
      "sidebar": "rgb(79, 68, 60)",
      "tab_selected": "rgb(125, 109, 95)",
      "toolbar_field_border_focus": "rgb(139, 116, 73)",
      "toolbar_field_highlight_text": "rgb(74, 65, 58)",
      "toolbar_field_highlight": "rgb(125, 109, 95)",
      "tab_loading": "rgb(230, 171, 77)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd525cca-875b-4072-97e6-a7758c3f8397}"
    }
  }
}