Examine source code of Samara Blues

{
  "manifest_version": 2,
  "version": "1.5",
  "name": "Samara Blues",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-015-79a105bb546d3dfdd686392cf3ad1f57.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(18, 40, 72, 0.77)",
      "toolbar_text": "rgb(247, 247, 247)",
      "frame": "rgb(6, 18, 42)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(250, 250, 250, 0.11)",
      "toolbar_field_text": "rgb(250, 250, 250)",
      "tab_line": "rgba(250, 250, 250, 0.12)",
      "popup": "rgba(18, 35, 57, 0.96)",
      "popup_text": "rgb(250, 250, 250)",
      "icons_attention": "rgba(255, 255, 255, 0.9)",
      "icons": "rgba(255, 255, 255, 0.9)",
      "ntp_background": "rgba(6, 18, 42, 0.46)",
      "tab_loading": "rgba(250, 250, 250, 0.12)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{718ef1f9-ebbd-4e29-b216-99377fc197d6}"
    }
  }
}