.back-in-stock-message {
    display: none;
}

.back-in-stock-message:has(#klaviyo-bis-button-container) {
    display: block;
}

#klaviyo-bis-button-container {
    display: inline-flex;
}

#klaviyo-bis-button-container button {
    padding: 2px;
    font-size: inherit;
    text-underline-offset: 6px;
}