.black-hole { clip-path: polygon(50% 0%, 60% 20%, 70% 40%, 80% 60%, 90% 80%, 95% 95%, 80% 100%, 60% 100%, 40% 100%, 20% 95%, 10% 80%, 0% 60%, 10% 40%, 20% 20%); animation: pulse 5s infinite; }