@property --gradient-angle{syntax:"<angle>";initial-value:0deg;inherits:false}@keyframes rotate-gradient{to{--gradient-angle:360deg}}.rainbow-border-container{position:relative;background:conic-gradient(from var(--gradient-angle),#ff0000,#ffff00,#00ff00,#ffffff,#0000ff,#ff00ff,#ff0000);animation:rotate-gradient 1.6s linear infinite}.rainbow-border-container:before{content:"";position:absolute;inset:0;background:inherit;border-radius:inherit;z-index:-1;filter:blur(6px);transform:translateZ(0)}