refactor: simplified declaration

Author: mfranzke

packages/foundations/scss/defaults/default-required.scss

@@ -66,7 +66,9 @@ body {
 }
 
 // Box sizing
-html {
+*,
+::before,
+::after {
 	box-sizing: var(--db-box-sizing, border-box);
 }
 
@@ -78,12 +80,6 @@ html {
 	text-rendering: optimizelegibility;
 }
 
-*,
-::before,
-::after {
-	box-sizing: inherit;
-}
-
 // Make sure every elements has the current color from container above
 body,
 button,