diff --git a/css/details.css b/css/details.css
index c2243fa..2aea07c 100644
--- a/css/details.css
+++ b/css/details.css
@@ -47,22 +47,22 @@
 .boxbox.admission::after {
   background: linear-gradient(90deg, #cfe0ec, #8fafc6, #cfe0ec);
 }
-.boxbox .admission {
+.boxbox.admission {
   background-color: #ffffff;
 }
-.boxbox .admission .admission-title {
+.boxbox.admission .admission-title {
   display: none;
 }
-.boxbox .admission::after {
+.boxbox.admission::after {
   background: linear-gradient(90deg, #9ce4e5, #f7ebe3, #4cabd4);
 }
-.boxbox .admission .admission-box {
+.boxbox.admission .admission-box {
   display: block;
 }
-.boxbox .admission .details .right .admission-btn {
+.boxbox.admission .details .right .admission-btn {
   display: flex;
 }
-.boxbox .admission .details .QRCode {
+.boxbox.admission .details .QRCode {
   display: none;
 }
 .boxbox .admission-box {
diff --git a/css/details.less b/css/details.less
index de0097b..937d522 100644
--- a/css/details.less
+++ b/css/details.less
@@ -55,7 +55,7 @@
         }
     }
 
-   .admission {
+    &.admission {
         background-color: rgba(255, 255, 255, 1);
         .admission-title {
             display: none;