body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000; /* Set background color to black */
}

.spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%; /* Makes the spinner a circle */
  background-color: aqua; /* Background color of the spinner */
  display: grid;
  place-items: center; /* Centers the inner div inside the spinner */
  animation: zoomin 1.5s infinite alternate-reverse; /* Animates the zoom effect */
  position: relative;
}

.inner {
  background-color: #212121; /* Inner circle color */
  width: 80%;
  height: 80%;
  border-radius: 50%; /* Makes the inner div a circle */
}

@keyframes zoomin {
  0% {
    transform: scale(1); /* Initial scale */
    box-shadow: 0 0 100px 20px rgb(16, 71, 71); /* Initial shadow */
  }

  100% {
    transform: scale(1.5); /* Scaled-up effect */
    box-shadow: 0 0 100px 20px #000; /* Darker shadow */
  }
}