main {
  display: flex;
  justify-content: center;
}

div {
  position: relative;
  height: 200px;
  width: 200px;
  border: 1px solid #ccc;
  margin-left: 4px;
  box-shadow: 1px 1px 2px #ccc;
}

.spinner-1::before {
  content: '';
  box-sizing: border-box;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin-top: -30px;
  margin-left: -30px;
  border-radius: 50%;
  border: 3px solid lightgray;
  border-top-color: coral;
  animation: spinner 0.7s linear infinite;
}

.spinner-2::before {
  content: '';
  box-sizing: border-box;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin-top: -30px;
  margin-left: -30px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: coral;
  border-bottom-color: coral;
  animation: spinner 0.7s ease infinite;
}

.spinner-3::before {
  content: "";
  box-sizing: border-box;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin-top: -30px;
  margin-left: -30px;
  border-radius: 50%;
  border-top: 2px solid coral;
  border-right: 2px solid transparent;
  animation: spinner 0.7s linear infinite;
}

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}