Examine source code of lemon&orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "lemon&orange",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 189, 141, 0.79)",
      "toolbar_text": "rgb(27, 80, 64)",
      "frame": "rgb(27, 80, 64)",
      "tab_background_text": "rgb(129, 14, 39)",
      "toolbar_field": "rgba(239, 238, 161, 0.57)",
      "toolbar_field_text": "rgb(49, 107, 90)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(255, 234, 220)",
      "popup_text": "rgb(27, 80, 64)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}