.spinner {
  position: absolute;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%); 
}

.spinner span {
  position: absolute;
  justify-content: center;
  align-items: center;
  top: 50%;
  left: var(--left);
  width: 35px;
  height: 7px;
  background: #ff5454;
  animation: dominos 1s ease infinite;
  box-shadow: 2px 2px 3px 0px black;
}
  
  .spinner span:nth-child(1) {
    --left: 80px;
    animation-delay: 0.125s;
  }
  
  .spinner span:nth-child(2) {
    --left: 70px;
    animation-delay: 0.3s;
  }
  
  .spinner span:nth-child(3) {
    left: 60px;
    animation-delay: 0.425s;
  }
  
  .spinner span:nth-child(4) {
    animation-delay: 0.54s;
    left: 50px;
  }
  
  .spinner span:nth-child(5) {
    animation-delay: 0.665s;
    left: 40px;
  }
  
  .spinner span:nth-child(6) {
    animation-delay: 0.79s;
    left: 30px;
  }
  
  .spinner span:nth-child(7) {
    animation-delay: 0.915s;
    left: 20px;
  }
  
  .spinner span:nth-child(8) {
    left: 10px;
  }
  
  @keyframes dominos {
    50% {
      opacity: 0.7;
    }
  
    75% {
      -webkit-transform: rotate(90deg);
      transform: rotate(90deg);
    }
  
    80% {
      opacity: 1;
    }
  }

  body{
    background-color: rgb(29, 29, 29);
  }