diff --git a/style/components/button.less b/style/components/button.less
index c61ed099a..db2626fda 100644
--- a/style/components/button.less
+++ b/style/components/button.less
@@ -101,14 +101,14 @@
   &-clicked:before {
   	content: '';
   	position: absolute;
-  	top: 0;
-  	left: 0;
-  	bottom: 0;
-  	right: 0;
+  	top: -1px;
+  	left: -1px;
+  	bottom: -1px;
+  	right: -1px;
   	border-radius: inherit;
     border: 0 solid @primary-color;
   	opacity: 0.4;
-    animation: buttonEffect 0.36s ease forwards;
+    animation: buttonEffect 0.32s ease forwards;
   }
 }