How to remove empty space in owl carousel?

Question

Owl Carousel

How to remove empty space in owl carousel ?
I don't understand why there is an empty space

$(document).ready(function() {
$('.Carusel1').owlCarousel({
items : 4,
autoPlay: 4000,
navigation: true,
pagination: false,
navigationText: ['<i class="fa fa-chevron-left fa-5x"></i>', '<i class="fa fa-chevron-right fa-5x"></i>'],
stopOnHover: true,
paginationSpeed: 3000,
rewindSpeed: 4000});
});