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<style>
	.loader-container {
		position: absolute;
	    left: 0;
	    top: 0;
	    z-index: 9000;
	    background-color: rgba(255, 255, 255, 0.75);
	    width: 100%;
	    height: 100%;
	}
	.loader {
		position: absolute;
	    left: calc(50vw - 60px);
	    top: calc(50vh - 60px);
	    border: 16px solid #f3f3f3; /* Light grey */
	    border-top: 16px solid #3498db; /* Blue */
	    border-radius: 50%;
	    width: 120px;
	    height: 120px;
	    animation: spin 2s linear infinite;
	}
	@keyframes spin {
	    0% { transform: rotate(0deg); }
	    100% { transform: rotate(360deg); }
	}
</style>
  
<div class="loader-container">
	<div class="loader"></div>
</div>