#cont-logo-cendhoc{
	display: flex;
   justify-content: center;
   align-items: center;
   text-align: center;
   width: 300px;
   height: 600px;
   margin: 0 auto;
   position: relative;
}

#cont-logo-cendhoc > img{
	max-width: 300px;
	max-height: 300px;
	position: absolute;
	top: 33%;
	left: 0;
}

.loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #338eaf;
  width: 250px;
  height: 250px;
  -webkit-animation: spin 2s linear infinite; /* Safari */
  animation: spin 2s linear infinite;
}

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

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