diff --git a/src/index.html b/src/index.html
index f76a20f..04890b0 100644
--- a/src/index.html
+++ b/src/index.html
@@ -108,7 +108,7 @@
                     <input
                         title="Thickness"
                         id="whiteboardThicknessSlider"
-                        style="position: absolute; left: 9px; width: 130px; top: 15px"
+                        style="position: absolute; left: 9px; width: 130px; top: 16px"
                         type="range"
                         min="1"
                         max="50"