Examine source code of Red

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Red",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(149, 0, 1)",
      "toolbar_text": "rgb(255, 0, 5)",
      "frame": "rgb(75, 0, 3)",
      "tab_background_text": "rgb(180, 24, 27)",
      "toolbar_field": "rgb(102, 38, 38)",
      "toolbar_field_text": "rgb(255, 0, 5)",
      "tab_line": "rgb(255, 0, 5)",
      "popup": "rgba(84, 7, 8, 0.89)",
      "popup_text": "rgb(180, 24, 27)",
      "tab_loading": "rgb(255, 0, 5)"
    }
  }
}