@property --mask{syntax:"<angle>";inherits:true;initial-value:0deg}.gradient-border:after{animation:mask-rotate-f2a5a20b var(--animationSpeed) linear infinite;animation-delay:var(--animation-delay);-webkit-mask-image:linear-gradient(hsla(0,0%,100%,0),hsla(0,0%,100%,0)),linear-gradient(#fff,#fff),conic-gradient(from var(--mask),transparent,#000 30%,transparent 100%);mask-image:linear-gradient(#fff0,#fff0),linear-gradient(#fff,#fff),conic-gradient(from var(--mask),transparent,#000 30%,transparent 100%)}@keyframes mask-rotate-f2a5a20b{to{--mask:1turn}}