nav[aria-label="Breadcrumb"] {
    background-color: transparent;
}

    nav[aria-label="Breadcrumb"] ol {
        padding: 0;
        font-size: small;
        padding-top: 0px;
        padding-bottom: 5px;
        padding-left: 5px;
    }

.mud-breadcrumb-item > a > svg.mud-icon-root {
    font-size: medium;
}