fix

@@ -115,20 +115,24 @@ export default {
 }
 
 .title {
+  height: 40px;
+  line-height: 40px;
   color: black;
   font-size: 28px;
   font-weight: bold;
 }
 
 .code {
+  height: 94px;
   color: black;
   font-weight: bolder;
   font-size: 80px;
   letter-spacing: 4px;
+  line-height: 94px;
 }
 
 .mg2 {
-  margin-top: 8px;
+  margin-top: 20px;
 }
 
 .mg3 {