#myModal1 {
margin-top: 0px;
}
.carousel-inner img {
width: 100%;
max-height: 600px;
object-fit: contain;
}

X

Close

$(window).on('load', function() {
$('#myModal1').modal('show');
});

setTimeout(function() {
$('#myModal1').modal('hide');
}, 30000);