.site-topbar-leading {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 18px;
}

.site-topbar-leading .site-back-link {
    margin-left: 0;
}

.site-back-link > span[aria-hidden="true"] {
    margin-right: 6px;
    font-size: 16px;
    line-height: 1;
}

@media (max-width: 640px) {
    .site-topbar-leading {
        gap: 8px;
    }

    .site-topbar-leading .site-back-link {
        min-height: 34px;
        padding: 0 12px;
        font-size: 12px;
    }

    .site-back-link > span[aria-hidden="true"] {
        margin-right: 4px;
        font-size: 14px;
    }
}