/* Add these new rules */
@keyframes slideDown {
    from {
        display: none;
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        display: inline-block;
        opacity: 1;
        transform: translateY(0);
    }
}

.hidden {
    display: none;
    white-space:nowrap;
}
address input.edit,
address select.edit {
    animation: slideDown 0.5s ease forwards;
    opacity: 1;
    height: auto;
    field-sizing: content;
}

address {
    transition: all 0.5s ease;
}