diff --git a/packages/backend/src/server/web/boot.js b/packages/backend/src/server/web/boot.js
index 1a71244119..d801226cc9 100644
--- a/packages/backend/src/server/web/boot.js
+++ b/packages/backend/src/server/web/boot.js
@@ -34,6 +34,16 @@
 
 	const isEmbedPage = document.documentElement.classList.contains('embed');
 
+	if (isEmbedPage) {
+		const params = new URLSearchParams(location.search);
+		if (params.has('rounded') && params.get('rounded') === 'false') {
+			document.documentElement.classList.add('norounded');
+		}
+		if (params.has('border') && params.get('border') === 'false') {
+			document.documentElement.classList.add('noborder');
+		}
+	}
+
 	//#region Detect language & fetch translations
 	if (!localStorage.hasOwnProperty('locale')) {
 		const supportedLangs = LANGS;
diff --git a/packages/backend/src/server/web/style.css b/packages/backend/src/server/web/style.css
index 70a6da694e..d339ba4bb6 100644
--- a/packages/backend/src/server/web/style.css
+++ b/packages/backend/src/server/web/style.css
@@ -12,6 +12,7 @@ html {
 html.embed {
 	box-sizing: border-box;
 	background-color: transparent;
+	color-scheme: light dark;
 	max-width: 500px;
 }
 
@@ -32,7 +33,15 @@ html.embed #splash {
 	box-sizing: border-box;
 	min-height: 300px;
 	border-radius: var(--radius, 12px);
-	border: 1px solid var(--divider);
+	border: 1px solid var(--divider, #e8e8e8);
+}
+
+html.embed.norounded #splash {
+	border-radius: 0;
+}
+
+html.embed.noborder #splash {
+	border: none;
 }
 
 #splashIcon {