How To Remove Slide Effects in Bootstrap Modal. By default, Bootstrap’s modal window will have a fade in effect when displayed – even during window transition.

If you don’t like or you want to remove this animation just remove the fade class from the .modal element.

DEFAULT MODAL

Default modal code snippets.
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
	<div class="modal-dialog" role="document">
		<div class="modal-content">
			<div class="modal-header">
				<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
				<h4 class="modal-title" id="myModalLabel">Modal title</h4>
			</div>
			<div class="modal-body">
				...
			</div>
			<div class="modal-footer">
				<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
				<button type="button" class="btn btn-primary">Save changes</button>
			</div>
		</div>
	</div>
</div>

SLIDE EFFECT REMOVED MODAL

Removed slide effects modal code snippets.
<!-- Modal -->
<div class="modal" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
	<div class="modal-dialog" role="document">
		<div class="modal-content">
			<div class="modal-header">
				<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
				<h4 class="modal-title" id="myModalLabel">Modal title</h4>
			</div>
			<div class="modal-body">
				...
			</div>
			<div class="modal-footer">
				<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
				<button type="button" class="btn btn-primary">Save changes</button>
			</div>
		</div>
	</div>
</div>

If you have questions, feel free to contact me or comment below.