sorry,
i use this css and it works.
.site-breadcrumbs ol {
margin: 0;
padding: 0;
list-style: none;
}
.site-breadcrumbs ol li {
display: contents;
}
.site-breadcrumbs a, .background-image-page-header .site-breadcrumbs a {
margin: 0 5px 0 5px;
}
thank you
