Examine source code of Rainforest Gentle 01

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rainforest Gentle 01",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(139, 142, 124)",
      "toolbar_text": "rgb(220, 252, 223)",
      "frame": "rgb(57, 87, 43)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(168, 180, 150)",
      "toolbar_field_text": "rgb(51, 89, 7)",
      "tab_line": "rgb(124, 255, 0)",
      "popup": "rgb(195, 214, 183)",
      "popup_text": "rgb(0, 0, 0)",
      "icons": "rgb(193, 230, 129)",
      "tab_loading": "rgb(124, 255, 0)"
    }
  }
}