Examine source code of rhombus quilt black

{
  "name": "rhombus quilt black",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "d5t3zld-8cf7efc4-acfc-4f90-988d-b12ebc65eab7.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(227, 184, 197, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(227, 184, 197, 1)",
      "toolbar_field": "rgba(227, 184, 197, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(227, 184, 197, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{daac92da-2ed1-4c95-8413-593fe22f2729}"
    }
  }
}