Examine source code of Summer Sky Dream

{
  "name": "Summer Sky Dream",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(70, 149, 194, 1)",
      "tab_background_text": "rgba(255, 252, 252, 1)",
      "toolbar": "rgba(71, 148, 196, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(71, 148, 196, 0.05)",
      "toolbar_field_text": "rgba(10, 10, 10, 1)",
      "tab_line": "rgba(247, 255, 3, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{04d2e9c3-cae1-415e-817e-ee78757b0016}"
    }
  }
}