Examine source code of Lavender Spring

{
  "name": "Lavender Spring",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "pflowers.jpg"
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(252, 236, 207, 1)",
      "frame": "rgba(10, 12, 0, 1)",
      "tab_background_text": "#f2e5ff"
    }
  }
}