diff --git a/style/_presets.scss b/style/_presets.scss
index 792075c..4a81b3f 100644
--- a/style/_presets.scss
+++ b/style/_presets.scss
@@ -285,9 +285,9 @@ $scrollBar-track-padding: 0 3px 0 2px;
 // thumb
 $scrollBar-thumb-width: 11px;
 $scrollBar-thumb-border-radius: 10px;
-$scrollBar-thumb-background: #343434;
+$scrollBar-thumb-background: #555555;
 $scrollBar-thumb-gradient: #2E2E2E 0%,#2E2E2E 100%;
-$scrollBar-thumb-border: 1px solid #1b1f21;
+$scrollBar-thumb-border: 1px solid #4b4b4b;
 $scrollBar-thumb-box-shadow: inset 0 1px 0 0 #434b50;
 // buffer
 $scrollBuffer-height: 8px;
@@ -341,4 +341,4 @@ $picker-indicator-slider-height: 3px;
 $picker-indicator-slider-arrow-width: 4px;
 $picker-indicator-slider-arrow-height: 9px;
 $picker-indicator-slider-arrow-top: -2px;
-$picker-indicator-slider-arrow-left: 19px;
\ No newline at end of file
+$picker-indicator-slider-arrow-left: 19px;