Examine source code of Big Time Rush theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#108ad1",
      "tab_background_text": "#0f3ca6"
    }
  },
  "version": "2.0",
  "name": "Big Time Rush theme",
  "manifest_version": 2,
  "description": "This is theme for Big Time Rush, my favourite singers!!!"
}