[css-backgrounds-4] Fix button pointer in figure

Author: LeaVerou

css-backgrounds-4/Overview.bs

@@ -285,7 +285,7 @@ Corner Shaping: the 'corner-shape' property</h3>
 			width: 2.3em;
 			width: min-content;
 			white-space: nowrap;
-			padding: .5em 1em .5em .5em;
+			padding: .5em 1.1em .5em .5em;
 			border-radius: .3em 0 0 .3em;
 			background: url(&apos;data:image/svg+xml,\
 			<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 40">\