.loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid darkred;
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

.loader-container {
	position:absolute; 
	left:50%; 
	top:40%	
}

.loader-center {
	position: relative; 
	left: -50%
}

@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}