Examine source code of Deep Texture Dark 2.0

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Deep Texture 2.0",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom",
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(1, 59, 90, 0.29)",
      "toolbar_text": "rgb(254, 207, 255)",
      "frame": "rgb(5, 71, 95)",
      "tab_background_text": "rgb(176, 251, 255)",
      "toolbar_field": "rgba(9, 73, 109, 0.35)",
      "toolbar_field_text": "rgb(208, 175, 255)",
      "tab_line": "rgb(236, 207, 153)",
      "popup": "rgb(5, 71, 95)",
      "popup_text": "rgb(254, 207, 255)",
      "tab_loading": "rgb(236, 207, 153)",
      "ntp_background": "#2A2A2E"
    }
  }
}