diff --git a/source/css/common/basic.styl b/source/css/common/basic.styl
index 2e1ccfd..3f5d52a 100644
--- a/source/css/common/basic.styl
+++ b/source/css/common/basic.styl
@@ -16,8 +16,8 @@
   // scrollbar
   // ====================================
   &::-webkit-scrollbar {
-    width: 5px;
-    height: 5px;
+    width: 6px;
+    height: 6px;
     transition: all 0.2s ease;
   }
 
@@ -47,7 +47,7 @@ html, body {
 
   &::-webkit-scrollbar {
     width: 8px;
-    height: 6px;
+    height: 8px;
   }
 
   +keep-tablet() {
diff --git a/source/css/common/variables.styl b/source/css/common/variables.styl
index 5bbd6a6..846defe 100644
--- a/source/css/common/variables.styl
+++ b/source/css/common/variables.styl
@@ -71,7 +71,7 @@ $border-color = darken($background-color, 30%);
 $selection-color = lighten($primary-color, 10%);
 $shadow-color = rgba(0, 0, 0, 0.2);
 $shadow-hover-color = rgba(0, 0, 0, 0.28);
-$scrollbar-color = lighten($default-text-color, 5%);
+$scrollbar-color = lighten($default-text-color, 6%);
 $scroll-bar-bg-color = darken($background-color, 10%);
 $link-color = darken($default-text-color, 10%);
 $copyright-info-color = #CC0033;