.vip-glow-btn{position:relative;isolation:isolate}.vip-glow-btn:before{content:"";position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;z-index:-1;background:linear-gradient(90deg,red,#ff0,#0f0,#0ff,#00f,#f0f,red);background-size:400%;border-radius:8px;filter:blur(8px);opacity:.8;animation:glowing 10s linear infinite}@keyframes glowing{0%{background-position:0 0}to{background-position:400% 0}}