diff --git a/Themes/BasicBackground/BasicBackground.css b/Themes/BasicBackground/BasicBackground.css
index 421c1691b1..d1ff3cda40 100644
--- a/Themes/BasicBackground/BasicBackground.css
+++ b/Themes/BasicBackground/BasicBackground.css
@@ -4088,6 +4088,7 @@ img[src="/assets/cef02719c12d8aaf38894c16dca7fbe6.svg"] {	/* rolesettings			addr
 }
 
 #app-mount .loadingPopout-qYljDW,							/* loading popout											*/
+#app-mount .container-7uh5fX,								/* browser popout											*/
 #app-mount .themedPopout-1TrfdI {							/* themed popout											*/
 	background-color: transparent;
 	border: none;
@@ -4097,8 +4098,10 @@ img[src="/assets/cef02719c12d8aaf38894c16dca7fbe6.svg"] {	/* rolesettings			addr
 	position: relative;
 }
 .loadingPopout-qYljDW::before,
+.container-7uh5fX::before,
 .themedPopout-1TrfdI::before,
 .loadingPopout-qYljDW::after,
+.container-7uh5fX::after,
 .themedPopout-1TrfdI::after {
 	content: "";
 	position: absolute;
@@ -4113,11 +4116,13 @@ img[src="/assets/cef02719c12d8aaf38894c16dca7fbe6.svg"] {	/* rolesettings			addr
 	z-index: -1;
 }
 .loadingPopout-qYljDW::before,
+.container-7uh5fX::before,
 .themedPopout-1TrfdI::before {
 	background: var(--popout) var(--popoutposition)/var(--popoutsize);
 	background-attachment: fixed;
 }
 .loadingPopout-qYljDW::after,
+.container-7uh5fX::after,
 .themedPopout-1TrfdI::after {
 	background-color: rgba(var(--transparencycolor), calc(var(--transparencyalpha) + 0.25));
 	backdrop-filter: blur(var(--popoutblur));