Examine source code of hazy desert

{
  "name": "hazy-desert",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "hazy-desert.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(71, 209, 80, 1)",
      "bookmark_text": "rgba(209, 42, 42, 1)",
      "toolbar_field": "rgba(156, 103, 103, 1)",
      "toolbar_field_text": "rgba(12, 24, 245, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0fe1ed5b-ff6d-443b-8b83-5fbb42255df1}"
    }
  }
}