Examine source code of spring cherry blossom

{
  "name": "spring cherry blossom ",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "spring-flowers-cherry-sakura-5904.jpg"
    },
    "colors": {
      "frame": "rgba(240, 243, 250, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c178409e-9beb-4907-9518-10204e13b72a}"
    }
  }
}