diff --git a/src/style/core.scss b/src/style/core.scss
index 5e4705a..d526adb 100644
--- a/src/style/core.scss
+++ b/src/style/core.scss
@@ -9,13 +9,13 @@ section#custom-bookmark-container {
     main.custom-bookmark-body {
         overflow-y: scroll;
         &::-webkit-scrollbar {
-            width: 7px;
+            width: 8px;
         }
         &::-webkit-scrollbar-thumb {
-            border-width: 1px;
+            border-width: 3px;
         }
         &::-webkit-scrollbar-thumb:hover {
-            border-color: var(--b3-theme-primary-lighter);
+            border-width: 1px;
         }
     }
 }