Examine source code of Dark Sakura Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Sakura Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center",
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(45, 45, 45, 0.7)",
      "toolbar_text": "rgb(255, 0, 103)",
      "frame": "rgb(200, 46, 86)",
      "tab_background_text": "rgb(226, 226, 226)",
      "toolbar_field": "rgba(204, 204, 204, 0.77)",
      "toolbar_field_text": "rgb(253, 0, 99)",
      "tab_line": "rgb(255, 0, 109)",
      "popup": "rgba(55, 55, 55, 0.95)",
      "popup_text": "rgb(255, 0, 89)",
      "tab_loading": "rgb(255, 0, 109)"
    }
  }
}