Examine source code of Green Mate

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Green",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(206, 244, 223)",
      "toolbar_field": "rgb(29, 156, 129)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(4, 241, 194)",
      "popup": "rgb(245, 255, 252)",
      "popup_text": "rgb(2, 198, 167)",
      "tab_loading": "rgb(4, 241, 194)",
      "bookmark_text": "rgb(2, 198, 167)",
      "frame": "rgb(70, 168, 153)",
      "tab_background_text": "rgb(52, 9, 40)"
    }
  }
}