<div class="main">
  <div class="loading_pulse"></div>
</div>
.main{
  width: 90vw;
  margin: 0 auto;
  text-align: center;
}

.loading_pulse {
  width: 50px;
  height: 50px;
  margin: 10px auto;
  
  border: 10px solid #e1d887;
  border-radius: 50%;
  
  animation: load 1.5s ease-in-out infinite;
}

@keyframes load {
  0%, 100% {
    transform: scale(0.9);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

External CSS

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External JavaScript

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