Examine source code of It reflects.

{
  "theme": {
    "images": {
      "theme_frame": "2a-521--line-mail--1.jpg"
    },
    "colors": {
      "frame": "#e3b1e6",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "It reflects.",
  "manifest_version": 2,
  "description": "白く反射して。。"
}