diff --git a/iOS/Resources/styleSheet.css b/iOS/Resources/styleSheet.css
index ac134ecac..3dc1618f8 100644
--- a/iOS/Resources/styleSheet.css
+++ b/iOS/Resources/styleSheet.css
@@ -34,6 +34,7 @@ a:hover {
 :root {
 	color-scheme: light dark;
 	--link-color: #0655BE;
+	--box-color: #0655BE;
 	--header-table-border-color: rgba(0, 0, 0, 0.1);
 	--header-color: rgba(0, 0, 0, 0.3);
 	--header-link-color: #086AEE;
@@ -45,6 +46,7 @@ a:hover {
 @media(prefers-color-scheme: dark) {
 	:root {
 		--link-color: #5E9EF4;
+		--box-color: #5E9EF4;
 		--header-table-border-color: rgba(255, 255, 255, 0.1);
 		--header-color: #d2d2d2;
 		--header-link-color: #2D80F1;
@@ -120,7 +122,7 @@ pre {
 	overflow: auto;
 	overflow-y: hidden;
 	line-height: 20px;
-	border: 1px solid #777;
+	border: 1px solid var(--box-color);
 	word-wrap: normal;
 	word-break: normal;
 	-webkit-hyphens: none;