diff --git a/src/app/airstrip_one/0/layout.css.ts b/src/app/airstrip_one/0/layout.css.ts
index 4a8b208..3b81ae5 100644
--- a/src/app/airstrip_one/0/layout.css.ts
+++ b/src/app/airstrip_one/0/layout.css.ts
@@ -1,6 +1,7 @@
 import { style } from '@vanilla-extract/css';
 
 export const center_vertical = style({
+	boxSizing:     'border-box',
 	position:      'relative',
 	display:       'flex',
 	flexDirection: 'column',