:root{--mbsc-safe-top:0;--mbsc-safe-right:0;--mbsc-safe-bottom:0;--mbsc-safe-left:0}@supports (top:env(safe-area-inset-top)){:root{--mbsc-safe-top:env(safe-area-inset-top);--mbsc-safe-right:env(safe-area-inset-right);--mbsc-safe-bottom:env(safe-area-inset-bottom);--mbsc-safe-left:env(safe-area-inset-left)}}