/* Düğmelere Checkbox yerleştirmek için kullandığımız CSS yöntemi */
				
				.dt-button.buttons-columnVisibility:before,
				.dt-button.buttons-columnVisibility.active:before {
					
					
					
					box-sizing:border-box;
					border:1px solid black !important;
					
					
					
				}

				.dt-button.buttons-columnVisibility:before {
					content:'\2718' !important;
					margin-top:-29px !important;
					margin-left:7px !important;
					color:white !important;
					font-size:1.5em !important;
					border:1px solid black !important;
					border-radius:3px !important;
					width:23px;
					height:23px;
					top:1.9em;
					left:3px;
					display:block !important;
					position:absolute !important;
					
				}

				.dt-button.buttons-columnVisibility.active:before {
					content:'\2714' !important;
					margin-top:-29px !important;
					margin-left:7px !important;
					color:#1A5592 !important;
					font-size:1.5em !important;
					text-shadow:1px 1px #DDD, -1px -1px #DDD, 1px -1px #DDD, -1px 1px #DDD !important;
					width:23px;
					height:23px;
					top:1.9em;
					left:3px;
					display:block !important;
					position:absolute !important;
				}

				.dt-button.buttons-columnVisibility{
					margin-left:2px !important;    
				}
				
				.dt-button.buttons-columnVisibility.active span{
				
					text-decoration:none;
					color:#1A5592;
					
					
					
				}
				
				.dt-button.buttons-columnVisibility span{
				
				
					text-decoration:line-through solid red;
					color:white;
					
				
				}
				
			/* Düğmelere Checkbox yerleştirmek için kullandığımız CSS yöntemi */