:root{--df-safe-area-top:env(safe-area-inset-top,0px);--df-safe-area-bottom:env(safe-area-inset-bottom,0px);--df-safe-area-left:env(safe-area-inset-left,0px);--df-safe-area-right:env(safe-area-inset-right,0px)}*{box-sizing:border-box}