diff --git a/src/assets/styles/darkmode.css b/src/assets/styles/darkmode.css
index 5c715dc9..a0841824 100644
--- a/src/assets/styles/darkmode.css
+++ b/src/assets/styles/darkmode.css
@@ -95,6 +95,10 @@
     color: #ffffff;
 }
 
+#manual hr {
+    background-color: #737373;
+}
+
 /*jQuery fix*/
 .syntaxhighlighter {
     background: #3a3a3a;