diff --git a/css/details.css b/css/details.css
index 9595e5b..f530593 100644
--- a/css/details.css
+++ b/css/details.css
@@ -890,6 +890,9 @@
 .content .details-box .mb40 {
   margin-bottom: 40px;
 }
+.content .details-box .mb22 {
+  margin-bottom: 22px;
+}
 .content .details-box .ranking {
   margin-bottom: 40px;
 }
diff --git a/css/details.less b/css/details.less
index 26da665..3510a00 100644
--- a/css/details.less
+++ b/css/details.less
@@ -1047,6 +1047,9 @@
         .mb40 {
             margin-bottom: 40px;
         }
+        .mb22 {
+            margin-bottom: 22px;
+        }
 
         .ranking {
             margin-bottom: 40px;