Examine source code of Midnight Blue Theme

{
  "manifest_version": 2,
  "version": "1.0.1",
  "name": "Midnight Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(41, 49, 56)",
      "bookmark_text": "rgb(222, 241, 255)",
      "frame": "rgb(26, 34, 45)",
      "tab_background_text": "rgb(129, 130, 130)",
      "toolbar_field": "rgb(183, 185, 186)",
      "toolbar_field_text": "rgb(66, 66, 66)",
      "tab_line": "rgb(255, 0, 0)",
      "popup": "rgb(187, 221, 247)",
      "popup_text": "rgb(41, 49, 56)",
      "tab_loading": "rgb(255, 0, 0)"
    }
  }
}