diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css
index 33c0f885fa9..203acbfa65b 100644
--- a/src/librustdoc/html/static/themes/dark.css
+++ b/src/librustdoc/html/static/themes/dark.css
@@ -270,6 +270,7 @@ a.test-arrow:hover{
 
 :target > code, :target > .in-band {
 	background-color: #494a3d;
+	border-right: 3px solid #bb7410;
 }
 
 pre.compile_fail {
diff --git a/src/librustdoc/html/static/themes/light.css b/src/librustdoc/html/static/themes/light.css
index 569ce7da209..e840d90f56a 100644
--- a/src/librustdoc/html/static/themes/light.css
+++ b/src/librustdoc/html/static/themes/light.css
@@ -265,6 +265,7 @@ a.test-arrow:hover{
 
 :target > code, :target > .in-band {
 	background: #FDFFD3;
+	border-right: 3px solid #ffb44c;
 }
 
 pre.compile_fail {