Fix typings on isFirefox

manifest/manifest.json

@@ -1,7 +1,7 @@
 {
     "name": "__MSG_fullName__",
     "short_name": "SponsorBlock",
-    "version": "6.1.0",
+    "version": "6.1.1",
     "default_locale": "en",
     "description": "__MSG_Description__",
     "homepage_url": "https://sponsor.ajay.app",

manifest/safari-manifest-extra.json

@@ -12,5 +12,10 @@
       "64": "icons/SafariIconSponsorBlocker64px.png",
       "128": "icons/SafariIconSponsorBlocker128px.png"
     }
+  },
+  "browser_specific_settings": {
+    "safari": {
+      "strict_min_version": "14.0"
+    }
   }
 }

src/js-components/previewBar.ts

@@ -957,6 +957,7 @@ class PreviewBar {
                     const elem = document.createElement("div");
                     chapterTitle.parentElement.insertBefore(elem, chapterTitle);
                     elem.classList.add("sponsorChapterText");
+                    elem.classList.add("ytp-chapter-title-content");
                     if (document.location.host === "tv.youtube.com") {
                         elem.style.lineHeight = "initial";
                     }