.spinner {
  margin: 100px auto;
  width: 40px;
  height: 40px;
  position: relative;
}

.cube1, .cube2 {
  background-color: #333;
  width: 15px;
  height: 15px;
  position: absolute;
  top: 0;
  left: 0;
  
  -webkit-animation: sk-cubemove 1.8s infinite ease-in-out;
  animation: sk-cubemove 1.8s infinite ease-in-out;
}

.cube2 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

@-webkit-keyframes sk-cubemove {
  25% { -webkit-transform: translateX(42px) rotate(-90deg) scale(0.5) }
  50% { -webkit-transform: translateX(42px) translateY(42px) rotate(-180deg) }
  75% { -webkit-transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5) }
  100% { -webkit-transform: rotate(-360deg) }
}

@keyframes sk-cubemove {
  25% { 
    transform: translateX(42px) rotate(-90deg) scale(0.5);
    -webkit-transform: translateX(42px) rotate(-90deg) scale(0.5);
  } 50% { 
    transform: translateX(42px) translateY(42px) rotate(-179deg);
    -webkit-transform: translateX(42px) translateY(42px) rotate(-179deg);
  } 50.1% { 
    transform: translateX(42px) translateY(42px) rotate(-180deg);
    -webkit-transform: translateX(42px) translateY(42px) rotate(-180deg);
  } 75% { 
    transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5);
    -webkit-transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5);
  } 100% { 
    transform: rotate(-360deg);
    -webkit-transform: rotate(-360deg);
  }
}

/*

<div class="spinner">
  <div class="cube1"></div>
  <div class="cube2"></div>
</div>

*/

.lds-dual-ring {
  display: inline-block;
  width: 80px;
  height: 80px;
}
.lds-dual-ring:after {
  content: " ";
  display: block;
  width: 64px;
  height: 64px;
  margin: 8px;
  border-radius: 50%;
  border: 10px solid #1d6785;
    border-color: #1d6785 transparent #1d6785 transparent;
  animation: lds-dual-ring 1.6s linear infinite;
}
@keyframes lds-dual-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/*
<div class="lds-dual-ring"></div>

*/