Examine source code of Lightning Clouds ANIMATED

{
  "theme": {
    "images": {
      "theme_frame": "Lightning-head.png"
    },
    "colors": {
      "frame": "#b5afaf",
      "tab_background_text": "#48dde8"
    }
  },
  "version": "2.0",
  "name": "Lightning Clouds ANIMATED",
  "manifest_version": 2,
  "description": "Animated lightning/cloud theme with blue text.\nEnjoy and all the best.\nDay."
}