diff --git a/src/styles.css b/src/styles.css
index ce917f0..13d3982 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -323,9 +323,15 @@ body {
   border-radius: 8px;
 }
 
+.weixin-btn {
+  width: auto;
+  height: auto;
+}
+
 .weixin-btn img {
   height: 42px;
   width: auto;
+  max-height: none;
 }
 
 .content {