diff --git a/css/area_sidetools.less b/css/area_sidetools.less
index 349c996..31b6d0b 100755
--- a/css/area_sidetools.less
+++ b/css/area_sidetools.less
@@ -130,7 +130,7 @@
                 display: block;
                 border: 1px solid transparent;
                 border-radius: @fix_border-radius;
-                padding: .6em 0 .6em (@icon-size + 1);
+                padding: .6em 0 .6em (@margin-big + 1);
                 transition: @transition color, @transition background-color, @transition border-color;
 
                 &::before {