.mask-video{--mask-size:20vw;-webkit-mask-image:radial-gradient(circle var(--mask-size) at 50% 50%,black 0,black 50%,transparent 50%,transparent 100%);mask-image:radial-gradient(circle var(--mask-size) at 50% 50%,black 0,black 50%,transparent 50%,transparent 100%);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;-webkit-mask-size:100% 100%;mask-size:100% 100%;transition:all 0s;overscroll-behavior:none!important}.blur{transform:scale(1);opacity:1;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(255,255,255,.4)}@media(max-width:767px){.mask-video{--mask-size:200px}}