oaip-project-app/static/frontend/src/index.css

@import "tailwindcss";
html,body,#root{
    width:100%;
    height: 100%;
    background-color: #101828;
}
@keyframes anim-pop {
  0% {
    opacity: 0;
    transform: scale(.95);
    transform: scale(var(--btn-focus-scale, .98));
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.anim-pop {
  opacity: 0; /* Element starts hidden */
  animation: anim-pop .3s ease-in forwards;
  animation-delay: 0.2s;
}