Examine source code of Ichigo-material Doughnut

{
  "theme": {
    "images": {
      "theme_frame": "ichigo-material-01_header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Ichigo-material Doughnut",
  "manifest_version": 2,
  "description": "A lot of strawberries.\nMaterial for individual website.\n<a href=\"https://outgoing.prod.mozaws.net/v1/c4d4eeef9ece5f3cfe177eb8b9802bb0bc7349f2a6a165e8cd879f237e40f712/http%3A//ichigo-material.com/\" rel=\"nofollow\">http://ichigo-material.com/</a>"
}