Examine source code of Celeste

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Celeste",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(165, 75, 214)",
      "toolbar_text": "rgb(16, 255, 86)",
      "frame": "rgb(84, 217, 217)",
      "tab_background_text": "rgb(13, 14, 14)",
      "toolbar_field": "rgb(47, 233, 223)",
      "toolbar_field_text": "rgb(20, 18, 18)",
      "tab_line": "rgb(16, 255, 86)",
      "popup": "rgb(165, 75, 214)",
      "popup_text": "rgb(16, 255, 86)",
      "tab_loading": "rgb(16, 255, 86)"
    }
  }
}