Examine source code of Forest Deep by M♥Donna

{
  "name": "Forest Deep by M♥Donna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(31, 13, 12, 1)",
      "tab_background_text": "#d9ff66",
      "toolbar": "rgba(33, 14, 13, 0.07)",
      "bookmark_text": "rgba(255, 241, 163, 1)",
      "toolbar_field": "rgba(33, 14, 13, 0.08)",
      "toolbar_field_text": "rgba(255, 253, 194, 1)",
      "tab_line": "rgba(255, 253, 194, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{876b3e4e-52b7-4992-8def-f7d2291888a0}"
    }
  }
}