.bs-example{
margin: 20px;
}
.accordion .fa{
margin-right: 0.5rem;
}
$(document).ready(function(){
// Add minus icon for collapse element which is open by default
$(".collapse.show").each(function(){
$(this).prev(".card-header").find(".fa").addClass("fa-minus").removeClass("fa-plus");
});
// Toggle plus minus icon on show hide of collapse element
$(".collapse").on('show.bs.collapse', function(){
$(this).prev(".card-header").find(".fa").removeClass("fa-plus