:is(.chrome-taper,.aqua-dialog-taper)>span:first-child{backdrop-filter:blur(2px)}:is(.chrome-taper,.aqua-dialog-taper)>span:nth-child(2){backdrop-filter:blur(5px)}:is(.chrome-taper,.aqua-dialog-taper)>span:nth-child(3){backdrop-filter:blur(10px)}:is(.chrome-taper,.aqua-dialog-taper)>span:nth-child(4){backdrop-filter:blur(20px) saturate(140%)}