Examine source code of Sky Impression

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_TEMPLATE.jpg"
    },
    "colors": {
      "frame": "#c7c7c7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sky Impression",
  "manifest_version": 2,
  "description": "A persona with a grayish top and transits into a cool blue color. This will make you free like you're in the sky."
}