Examine source code of Happy alignment.

{
  "theme": {
    "images": {
      "theme_frame": "a1020-5-seiretusite--oo.jpg"
    },
    "colors": {
      "frame": "#e4f0f7",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Happy alignment.",
  "manifest_version": 2,
  "description": "幸せな整列。。\n\n\n\n\na1020-5-seiretusite--oo"
}