.loader {
		  border: 5px solid #f3f3f3;
		  border-radius: 50%;
		  border-top: 5px solid #19648c;
		  width: 20px;
		  height: 20px;
		  -webkit-animation: spin 1s linear infinite;
		  animation: spin 1s linear infinite;
		  display: inline-flex;
		  visibility:hidden;
		  margin-top: 2%;
		}

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

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