Examine source code of Test1

{
  "name": "Test1",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1920x1080-light-blue-solid-color-background.jpg"
    },
    "colors": {
      "frame": "rgba(0, 26, 82, 1)",
      "tab_background_text": "rgba(0, 107, 48, 1)",
      "toolbar": "rgba(0, 0, 166, 1)",
      "bookmark_text": "rgba(0, 107, 48, 1)",
      "toolbar_field": "rgba(0, 130, 48, 1)",
      "toolbar_field_text": "rgba(0, 234, 255, 1)"
    }
  }
}