Loading placeholder

Loading-Placeholder.html

<div class="placeholder">
  <div class="loader">
    <div class="loader1"></div>
    <div class="loader2"></div>
    <div class="loader3"></div>
  </div>
</div>

style.css

/* Placeholder */
.placeholder {
  width: 100%;
  height: 205px;
  background: #2f2f2f;
  margin-bottom: 10px;
}
.loader {
    width: 63px;
    position: relative;
    margin: 0 auto;
    padding: 94px;
}
.loader > div {
  width: 18px;
  height: 18px;
  background-color: #fff;
  border-radius: 100%;
  display: inline-block;
  -webkit-animation: loaderdelay 1.4s infinite ease-in-out both;
  animation: loaderdelay 1.4s infinite ease-in-out both;
}
.loader .loader1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}
.loader .loader2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}

@-webkit-keyframes loaderdelay {
  0%, 80%, 100% { -webkit-transform: scale(0) }
  40% { -webkit-transform: scale(1.0) }
}
@keyframes loaderdelay {
  0%, 80%, 100% { 
    -webkit-transform: scale(0);
    transform: scale(0);
  } 40% { 
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
  }
}