diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
index a411c124..ef36c3be 100644
--- a/app/assets/stylesheets/application.scss
+++ b/app/assets/stylesheets/application.scss
@@ -574,13 +574,14 @@ $bezier: cubic-bezier(0.75, 0, 0.25, 1);
 		bottom: 3%;
 		transform: rotate(60deg);
 	}
-} 
-	.details[open] {
+  &[open] {
 		& > summary {
 			&::after {
-				transform: rotate(90deg) translatey(-0.1em);
+				transform: rotate(90deg);
 			}
 		}
 	}
+} 
+