diff --git a/public/css/default.css b/public/css/default.css
index 9186175..d5e19b8 100644
--- a/public/css/default.css
+++ b/public/css/default.css
@@ -539,6 +539,15 @@ a#previous_photo:hover, a#next_photo:hover {
 #sub_photo .tag-list .input-group-text {
 	color: inherit;
 }
+[data-bs-theme=light] #sub_photo .tag-list .btn-danger {
+	background-color: rgba(175, 0, 0, 0.5);
+	border-color: rgba(175, 0, 0, 0.5);
+}
+
+[data-bs-theme=dark] #sub_photo .tag-list .btn-danger {
+	background-color: rgba(100, 0, 0, 0.5);
+	border-color: rgb(100, 0, 0);
+}
 
 
 /* Responsive: smartphone in portrait