@@ -1851,21 +1851,21 @@ code {
   -webkit-app-region: no-drag;
 }
 
-/* Scrollbar styling */
-::-webkit-scrollbar {
+/* Keep parent scrollbar styles off iframe owners to avoid WebKit resize loops: https://webkit.org/b/324485 */
+:where(:not(iframe))::-webkit-scrollbar {
   width: var(--app-scrollbar-width);
 }
 
-::-webkit-scrollbar-track {
+:where(:not(iframe))::-webkit-scrollbar-track {
   background: transparent;
 }
 
-::-webkit-scrollbar-thumb {
+:where(:not(iframe))::-webkit-scrollbar-thumb {
   background: var(--app-scrollbar-thumb);
   border-radius: 3px;
 }
 
-::-webkit-scrollbar-thumb:hover {
+:where(:not(iframe))::-webkit-scrollbar-thumb:hover {
   background: var(--app-scrollbar-thumb-hover);
 }
Original file line number	Diff line number	Diff line change
`@@ -1851,21 +1851,21 @@ code {`
`1851`	`1851`	`-webkit-app-region: no-drag;`
`1852`	`1852`	`}`
`1853`	`1853`
`1854`		`-/* Scrollbar styling */`
`1855`		`-::-webkit-scrollbar {`
	`1854`	`+/* Keep parent scrollbar styles off iframe owners to avoid WebKit resize loops: https://webkit.org/b/324485 */`
	`1855`	`+:where(:not(iframe))::-webkit-scrollbar {`
`1856`	`1856`	`width: var(--app-scrollbar-width);`
`1857`	`1857`	`}`
`1858`	`1858`
`1859`		`-::-webkit-scrollbar-track {`
	`1859`	`+:where(:not(iframe))::-webkit-scrollbar-track {`
`1860`	`1860`	`background: transparent;`
`1861`	`1861`	`}`
`1862`	`1862`
`1863`		`-::-webkit-scrollbar-thumb {`
	`1863`	`+:where(:not(iframe))::-webkit-scrollbar-thumb {`
`1864`	`1864`	`background: var(--app-scrollbar-thumb);`
`1865`	`1865`	`border-radius: 3px;`
`1866`	`1866`	`}`
`1867`	`1867`
`1868`		`-::-webkit-scrollbar-thumb:hover {`
	`1868`	`+:where(:not(iframe))::-webkit-scrollbar-thumb:hover {`
`1869`	`1869`	`background: var(--app-scrollbar-thumb-hover);`
`1870`	`1870`	`}`
`1871`	`1871`