@keyframes blink {
    0% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
    100% {
      opacity: 1;
    }
  }
  
  .blink {
    animation: blink 1.5s infinite;
  }
  @keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}
body {
    margin: 0px;
}