Examine source code of splater dark

{
  "theme": {
    "images": {
      "theme_frame": "splater_dark.jpg"
    },
    "colors": {
      "frame": "#777575",
      "tab_background_text": "#777575"
    }
  },
  "version": "2.0",
  "name": "splater dark",
  "manifest_version": 2,
  "description": "dark splater"
}