diff --git a/README.md b/README.md
index 922caf7..d8559be 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 
 [中文版](README_CN.md)
 
-<img src="docs/images/ncform-banner.gif" alt="preview" style="box-shadow:0 10px 16px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);">
+<img src="docs/images/ncform-banner.gif" alt="preview" style="box-shadow: 10px 10px;">
 
 ncform, a nice form development way that generates form UIs and their interactions with just configuration.