Examine source code of Blooming spring

{
  "theme": {
    "images": {
      "theme_frame": "4.jpg"
    },
    "colors": {
      "frame": "#6b2525",
      "tab_background_text": "#ff8787"
    }
  },
  "version": "2.0",
  "name": "Blooming spring",
  "manifest_version": 2,
  "description": "Bubbles, color, spring, flowers, cherry, petals, blossom, leafs, vector, nature, two, red, golden, yellow, pink, roses, light, Chinese, romantic, circles, Real.Twilight"
}