diff --git a/static/css/themes/dark.css b/static/css/themes/dark.css
index 742fe20..6435b98 100644
--- a/static/css/themes/dark.css
+++ b/static/css/themes/dark.css
@@ -35,6 +35,10 @@ blockquote {
 	border-left: 0.25em solid #444;
 }
 
+hr {
+	border: 1px solid rgb(110, 110, 110);
+}
+
 img.color-adapting-image,
 figure.color-adapting-image img {
 	filter: invert(85%) hue-rotate(180deg);
diff --git a/static/css/themes/light.css b/static/css/themes/light.css
index 03f00ee..a45c8fd 100644
--- a/static/css/themes/light.css
+++ b/static/css/themes/light.css
@@ -35,6 +35,10 @@ blockquote {
 	border-left: 0.25em solid #CCC;
 }
 
+hr {
+	border: 1px solid rgb(185, 185, 185);
+}
+
 .header {
 	background-image: url(../../images/header-bg-light.jpg);
 }