vercel__streamdown/packages/streamdown/styles.css

@keyframes sd-fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes sd-blurIn {
  from {
    opacity: 0;
    filter: blur(4px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes sd-slideUp {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-sd-animate] {
  animation: var(--sd-animation, sd-fadeIn) var(--sd-duration, 150ms)
    var(--sd-easing, ease) var(--sd-delay, 0ms) both;
}