Examine source code of sugared hearts

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "sugared hearts",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(250, 228, 240)",
      "toolbar_text": "rgb(237, 128, 153)",
      "frame": "rgb(210, 162, 189)",
      "tab_background_text": "rgb(165, 241, 195)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(75, 75, 122)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(218, 158, 189)",
      "popup_text": "rgb(164, 170, 192)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}