Examine source code of Logi2Theme

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "logi4",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(12, 83, 145)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(10, 59, 102)",
      "tab_background_text": "rgb(245, 238, 238)",
      "toolbar_field": "rgb(0, 54, 96)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(0, 47, 90)",
      "popup": "rgb(10, 59, 102)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(10, 59, 102)",
      "button_background_hover": "rgb(2, 63, 109)",
      "icons": "rgb(249, 249, 249)",
      "ntp_background": "rgb(79, 142, 193)",
      "sidebar_highlight_text": "rgb(242, 244, 247)",
      "sidebar_highlight": "rgb(0, 47, 90)",
      "sidebar_text": "rgb(248, 248, 248)",
      "sidebar": "rgb(10, 59, 102)",
      "tab_selected": "rgb(12, 83, 145)",
      "tab_text": "rgb(252, 252, 252)",
      "toolbar_bottom_separator": "rgb(0, 0, 0)",
      "toolbar_field_border": "rgb(7, 41, 72)",
      "tab_loading": "rgb(0, 47, 90)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{19fe070c-0967-472c-89ac-ca66938d528c}"
    }
  }
}