CSS Fire Animation

.fire-container {
  width: 100px;
  height: 200px;
  position: relative;
  margin: 0 auto;
}
.fire {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 150px;
  background: linear-gradient(to top, #ff4500 0%, #ff8c00 30%, #ffd700 60%, #ffffff 100%);
  border-radius: 50% 50% 20% 20%;
  animation: fire-flame 0.8s infinite alternate;
  opacity: 0.9;
}
.fire::before {
  content: '';
  position: absolute;
  width: 100px;
  height: 120px;
  background: linear-gradient(to top, #ff8c00 0%, #ffd700 50%, #ffffff 100%);
  border-radius: 50%;
  bottom: 10px;
  left: -10px;
  animation: fire-glow 1s infinite alternate;
  opacity: 0.6;
}
@keyframes fire-flame {
  0% { transform: translateX(-50%) scale(1); }
  100% { transform: translateX(-50%) scale(1.1); }
}
@keyframes fire-glow {
  0% { opacity: 0.5; }
  100% { opacity: 0.8; }
}