.shiny-text {
  color: #b5b5b5a4;
  background: linear-gradient(120deg, rgba(255,255,255,0) 40%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 60%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  display: inline-block;
  animation: shine 3s linear infinite;
}

@keyframes shine {
  0% { background-position: 100%; }
  100% { background-position: -100%; }
}

.shiny-text.disabled {
  animation: none;
}