diff --git a/anatomy/static/css/anatomy.css b/anatomy/static/css/anatomy.css
index 9b878f96..6d36f629 100644
--- a/anatomy/static/css/anatomy.css
+++ b/anatomy/static/css/anatomy.css
@@ -716,7 +716,8 @@ input {
   flex-wrap: wrap;
 }
 
-.marking-block div {
+.marking-block details {
   padding-left: 20px;
   padding-right: 20px;
+  flex: 1
 }
\ No newline at end of file
diff --git a/static/css/anatomy.css b/static/css/anatomy.css
index 9b878f96..6d36f629 100644
--- a/static/css/anatomy.css
+++ b/static/css/anatomy.css
@@ -716,7 +716,8 @@ input {
   flex-wrap: wrap;
 }
 
-.marking-block div {
+.marking-block details {
   padding-left: 20px;
   padding-right: 20px;
+  flex: 1
 }
\ No newline at end of file