diff --git a/examples/styles/text.zig b/examples/styles/text.zig
index 38f3c7a..331894d 100644
--- a/examples/styles/text.zig
+++ b/examples/styles/text.zig
@@ -111,6 +111,12 @@ pub fn main() !void {
 
     var box = try App.Container.init(allocator, .{
         .layout = .{ .direction = .vertical },
+        .size = .{
+            .dim = .{
+                .x = std.meta.fields(zterm.Style.Emphasis).len * TextStyles.text.len,
+                .y = (std.meta.fields(zterm.Color).len - 1) * (std.meta.fields(zterm.Color).len - 2),
+            },
+        },
     }, text_styles.element());
     defer box.deinit();