/* Background */
details[open].accordion-item summary.accordion-button {
    color: var(--bs-accordion-active-color);
    background-color: var(--bs-accordion-active-bg);
    box-shadow: inset 0 calc(-1 * var(--bs-accordion-border-width)) 0 var(--bs-accordion-border-color);
}

details:not([open]).accordion-item summary.accordion-button {
    color: var(--bs-accordion-btn-color);
    background-color: var(--bs-accordion-btn-bg);
}

/* Icon */
details[open].accordion-item summary.accordion-button::after {
    background-image: var(--bs-accordion-btn-icon);
    transform: var(--bs-accordion-btn-icon-transition);
}

details:not([open]).accordion-item summary.accordion-button::after {
    background-image: var(--bs-accordion-btn-active-icon);
    transform: var(--bs-accordion-btn-icon-transform);
}