#site-title {
  font-size: 2.2em;
  font-weight: bold;
  white-space: nowrap;
  border-right: 2px solid #666;
  animation: blink 0.7s infinite;
  overflow: hidden;
}

@keyframes blink {
  0% { border-color: transparent; }
  50% { border-color: #666; }
  100% { border-color: transparent; }
}