diff --git a/css/styles.css b/css/styles.css
index 45833c2..473416b 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -414,10 +414,17 @@ dialog header label {
 dialog header button {
 	font-size: 24px;
 }
-dialog > img {
-	/* fix for media preview */
+#media-preview {
+	height: 100%;
+}
+#media-preview > img {
 	max-width: 100%;
 	max-height: 100%;
+	display: block;
+	position: relative;
+	top: 50%;
+	left: 50%;
+	transform: translateX(-50%) translateY(-50%);
 }
 dialog > .container {
 	display: flex;