Examine source code of Steam_Green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Steam Green",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(20, 80, 85)",
      "toolbar_text": "rgb(158, 158, 158)",
      "frame": "rgb(25, 61, 63)",
      "tab_background_text": "rgb(137, 140, 141)",
      "toolbar_field": "rgb(37, 95, 100)",
      "toolbar_field_text": "rgb(158, 158, 158)",
      "tab_line": "rgb(28, 171, 176)",
      "popup": "rgb(37, 95, 100)",
      "popup_text": "rgb(158, 158, 158)",
      "tab_loading": "rgb(28, 171, 176)"
    }
  }
}