add menu state

Author: yohn-maistre

src/css/base.css

@@ -294,7 +294,7 @@ a:focus-visible {
 	grid-area: 1 / 1 / 2 / 2;
 	display: flex;
 	width: 100%;
-	position: absolute;
+	position: relative;
 	flex-direction: column;
 	align-items: center;
 	justify-content: center;