diff --git a/public/assets/styles/dark.css b/public/assets/styles/dark.css
index 96a75c91..fc1593f0 100644
--- a/public/assets/styles/dark.css
+++ b/public/assets/styles/dark.css
@@ -101,6 +101,10 @@ a {
   background-color: rgba(71, 76, 80, 1);
   color: rgba(235, 235, 235, 1);
 }
+.previous-chapter-single-container,
+.next-chapter-single-container {
+  opacity: 0.7;
+}
 .pin-dot.pin-dot-filled {
   background-color: rgba(235, 235, 235, 1);
   color: rgba(47, 52, 55, 1);
diff --git a/src/pages/reader/index.css b/src/pages/reader/index.css
index b5978434..1fb24817 100644
--- a/src/pages/reader/index.css
+++ b/src/pages/reader/index.css
@@ -203,7 +203,7 @@
   opacity: 0.7;
 }
 .previous-chapter-single-container:hover {
-  opacity: 0.5;
+  opacity: 0.7;
 }
 .previous-chapter-single {
   height: 20px;