Examine source code of What do you do

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    "colors": {
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      "tab_background_text": "#000000"
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  "version": "2.0",
  "name": "What do you do",
  "manifest_version": 2,
  "description": "From the online web comic adventure of james the elf.\n<a href=\"https://outgoing.prod.mozaws.net/v1/861f3a04854be4c2772720bfcdc78ae56740fa380d10bf8f2b3ea308601f8530/http%3A//www.what-do-you-do.net\" rel=\"nofollow\">www.what-do-you-do.net</a>"
}