HD backgrounds of the popular Japanese manga series Black Butler with every new tab you open.
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manifest.json
{
"update_url": "https://clients2.google.com/service/update2/crx",
"manifest_version": 3,
"name": "Black Butler HD Wallpapers Manga Theme",
"description": "__MSG_extdesc__",
"version": "4",
"default_locale": "en",
"permissions": [
"cookies",
"storage"
],
"host_permissions": [
"<all_urls>"
],
"content_scripts": [
{
"matches": [
"https://black-butler.coolstart.com/",
"https://black-butler.coolstart.com/?welcome"
],
"all_frames": true,
"js": [
"js/jquery.min.js",
"js/owl.carousel.min.js",
"js/cbpFWTabs.js",
"js/tether.min.js",
"js/bootstrap.min.js",
"js/jquery.mobile.min.js",
"js/tour.js",
"js/jquery-ui.min.js",
"js/moment.min.js",
"js/newtab.js",
"js/controller.js"
],
"css": [
"css/tour.css",
"css/owl.carousel.min.css"
]
},
{
"matches": [
"https://*.coolstart.com/*"
],
"run_at": "document_end",
"all_frames": true,
"js": [
"js/jquery.min.js",
"js/extension_installed.js"
]
}
],
"web_accessible_resources": [
{
"resources": [
"/*.html",
"img/*"
],
"matches": [
"https://*.coolstart.com/*"
]
}
],
"background": {
"service_worker": "js/bg-loader.js"
},
"chrome_url_overrides": {
"newtab": "index.html"
},
"action": {
"default_title": "Black Butler HD Wallpapers Manga Theme"
},
"short_name": "CoolStart",
"icons": {
"16": "img/1551776536937.png",
"48": "img/1551776536984.png",
"128": "img/1551776536546.png"
},
"optional_permissions": [
"history",
"bookmarks",
"tabs",
"topSites"
]
}