How to change default separator icon in Bootstrap 3 Breadcrumbs?
And now with bootstrap 4
.breadcrumb-item + .breadcrumb-item::before {
color: green;
}
This is not icon, you can add what ever you want, icon, image etc.
.breadcrumb > li + li:before {
color: #ccc;
content: "/ ";
padding: 0 5px;
}
Change content to " >> " and see