.loading {
	z-index: 20;
	position: absolute;
	top: 0;
	left:-5px;
	width: 100%;
	height: 100%;
    background-color: rgba(0,0,0,0.4);
}
.loading-content {
	position: absolute;
	border: 16px solid #f3f3f3; /* Light grey */
	border-top: 16px solid #3498db; /* Blue */
	border-radius: 50%;
	width: 50px;
	height: 50px;
	top: 40%;
	left:50%;
	animation: spin 2s linear infinite;
	}
	
	@keyframes spin {
		0% { transform: rotate(0deg); }
		100% { transform: rotate(360deg); }
	}