.bi.mr {
    margin-right: 0.667em;
}

.list-group-item:not(.semaphore-operation) {
    background: #ffffffd0;
}

a.list-group-item:hover:not(.semaphore-operation) {
    background: #d0d0d0d0;
    z-index: inherit;
}

@media (min-width: 992px) {
    .sticky-lg-below-navbar {
        z-index: 1;
        /* top has to be increased to match the navbar... */
        top: calc(
                2*0.5rem /* --bs-navbar-padding-y */
                + var(--bs-body-line-height)*1.25rem /* --bs-navbar-brand-font-size */
                + 2*0.3125rem/* --bs-navbar-brand-padding-y */
            );
    }

    .bg-lg-white {
        background-color: var(--bs-body-bg);
    }
}