.board_list_bg {
			background-color:rgba( 0, 0, 0, 0.1 );
			width: 100%;
			height: 100%;
			position: fixed;
			z-index: 10000;
			display: table;
			top: 0;
			left: 0;
		}



			.loader {
	width: 100px;
	height: 100px;
	border: 6px solid #3498db;
	border-color: #3498db transparent transparent;
	border-radius: 50%;
	margin: 0 auto;
	  margin-top: 20%;
	animation: spin 1s 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); }
			}