Examine source code of Gravity falls green 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gravity falls green 2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(0, 62, 10, 0.61)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(0, 255, 38)",
      "popup": "rgb(0, 62, 10)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(236, 0, 0)",
      "button_background_hover": "rgb(3, 237, 40)",
      "frame_inactive": "rgb(11, 7, 32)",
      "ntp_background": "rgba(3, 25, 3, 0.96)",
      "ntp_text": "rgba(255, 255, 255, 0.96)",
      "tab_selected": "rgba(0, 63, 11, 0.54)",
      "tab_text": "rgb(3, 237, 40)",
      "tab_loading": "rgb(0, 255, 38)"
    }
  }
}