Examine source code of green froggie

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "green froggie",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-006-51ab495c5f5dde6a3cddb22484acd00d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(184, 210, 173)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(99, 123, 102)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(174, 171, 161)",
      "toolbar_field_text": "rgb(249, 249, 249)",
      "tab_line": "rgb(115, 174, 111)",
      "popup": "rgb(99, 123, 102)",
      "popup_text": "rgb(255, 255, 255)",
      "icons": "rgb(0, 0, 0)",
      "ntp_background": "rgb(130, 147, 123)",
      "tab_text": "rgb(2, 0, 11)",
      "tab_loading": "rgb(115, 174, 111)"
    }
  }
}