Examine source code of Sea Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Sea Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-012-1e971c5fbb8dec3acbd76dd6c6819de9.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(21, 145, 207)",
      "toolbar_text": "rgb(60, 24, 6)",
      "frame": "rgb(23, 161, 230)",
      "tab_background_text": "rgb(60, 24, 6)",
      "toolbar_field": "rgb(23, 161, 230)",
      "toolbar_field_text": "rgb(60, 24, 6)",
      "tab_line": "rgba(60, 24, 6, 0)",
      "popup": "rgb(23, 161, 230)",
      "popup_text": "rgb(60, 24, 6)",
      "sidebar_border": "rgba(21, 145, 207, 0)",
      "sidebar": "rgb(23, 161, 230)",
      "tab_loading": "rgb(23, 161, 230)",
      "toolbar_bottom_separator": "rgb(21, 145, 207)",
      "toolbar_top_separator": "rgb(21, 145, 207)"
    }
  }
}