diff --git a/public/assets/css/default.css b/public/assets/css/default.css
index 3fa03eb7..ddd2cfcc 100644
--- a/public/assets/css/default.css
+++ b/public/assets/css/default.css
@@ -160,3 +160,14 @@
   font-size: 0.7375rem;
   min-block-size: 0.7375rem;
 }
+
+.modal-simple .modal-content {
+  padding: 0.25rem;
+}
+
+.modal-simple .btn-close {
+  position: absolute;
+  top: 1.45rem;
+  inset-block-start: 1.5rem;
+  inset-inline-end: 1.5rem;
+}