.timer-mask{background-color:hsla(0,0%,100%,.0666666667);position:absolute;inset:0;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);-webkit-mask:radial-gradient(circle 180px at center,transparent 99%,black 100%);-webkit-mask-composite:destination-out;mask-composite:exclude}