Examine source code of Matrix Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Matrix",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(18, 129, 0)",
      "frame": "rgb(111, 156, 99)",
      "tab_background_text": "rgb(146, 214, 129)",
      "toolbar_field": "rgb(92, 150, 71)",
      "toolbar_field_text": "rgb(0, 254, 74)",
      "tab_line": "rgb(112, 248, 129)",
      "popup": "rgb(43, 85, 47)",
      "popup_text": "rgb(110, 211, 84)",
      "tab_loading": "rgb(112, 248, 129)"
    }
  }
}