diff --git a/css/details.css b/css/details.css
index 045ab58..d7d9023 100644
--- a/css/details.css
+++ b/css/details.css
@@ -1187,6 +1187,7 @@
   border-radius: 6px;
   padding: 23px 20px;
   margin-bottom: 20px;
+  position: relative;
 }
 .content .details-box .demand .ability-item .head {
   font-weight: 650;
diff --git a/css/details.less b/css/details.less
index ece6966..15ae782 100644
--- a/css/details.less
+++ b/css/details.less
@@ -1353,6 +1353,7 @@
                 border-radius: 6px;
                 padding: 23px 20px;
                 margin-bottom: 20px;
+                position: relative;
                 .head {
                     .index {
                         width: 20px;