.site-navigation__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 5px 0 8px;
}

.site-navigation__link::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: #fff;
    content: '';
    opacity: 0;
    transform: scaleX(.35);
    transition: opacity .18s ease, transform .18s ease;
}

.site-navigation__link--active {
    color: #fff !important;
}

.site-navigation__link--active::after {
    opacity: 1;
    transform: scaleX(1);
}

.notifications-page__header--actions-only {
    justify-content: flex-end;
}

@media (max-width: 700px) {
    .site-navigation__link {
        min-height: 32px;
        padding-bottom: 7px;
    }

    .notifications-page__header--actions-only {
        align-items: stretch;
    }

    .notifications-page__header--actions-only .button {
        width: 100%;
    }
}