Examine source code of Strawberry Kitties

{
  "name": "Strawberry Kitties",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Strawberry Kitties.png"
    },
    "colors": {
      "frame": "rgba(251, 218, 229, 1)",
      "tab_background_text": "rgba(171, 38, 64, 1)",
      "toolbar": "rgba(252, 219, 229, 0.42)",
      "bookmark_text": "rgba(171, 38, 64, 1)",
      "toolbar_field": "rgba(252, 131, 149, 0.42)",
      "toolbar_field_text": "rgba(80, 158, 54, 1)",
      "tab_line": "rgba(234, 255, 227, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{586f8294-8c21-4bcd-9e4d-f442badaa669}"
    }
  }
}