Examine source code of Mountains & Valleys

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mountains & Valleys ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(75, 96, 99, 0.57)",
      "toolbar_text": "rgb(170, 253, 247)",
      "frame": "rgb(178, 201, 204)",
      "tab_background_text": "rgb(14, 244, 244)",
      "toolbar_field": "rgba(75, 96, 99, 0.57)",
      "toolbar_field_text": "rgb(0, 255, 243)",
      "tab_line": "rgb(3, 245, 253)",
      "popup": "rgba(149, 158, 159, 0.97)",
      "popup_text": "rgb(204, 248, 241)",
      "ntp_background": "rgba(171, 187, 187, 0.92)",
      "tab_loading": "rgb(3, 245, 253)"
    }
  }
}