diff --git a/Shogi.UI/Shared/Stretch.razor b/Shogi.UI/Shared/Stretch.razor
index c89e075..aa2a395 100644
--- a/Shogi.UI/Shared/Stretch.razor
+++ b/Shogi.UI/Shared/Stretch.razor
@@ -1,7 +1,10 @@
-<div>
+<div @attributes="@InputAttributes">
 	@ChildContent
 </div>
 
 @code {
+	[Parameter(CaptureUnmatchedValues = true)]
+	public Dictionary<string, object> InputAttributes { get; set; }
+
 	[Parameter] public RenderFragment ChildContent { get; set; } = default!;
 }