.accordion {
    width:auto;
    margin: 0 auto;
}

details {
    background: #fff;
    border-radius: 5px;
    margin-bottom: 10px;
    overflow: hidden;
}

summary {
    padding: 15px 20px;
    cursor: pointer;
    font-weight: bold;
    list-style: none;
    background: #fff;
    transition: background 0.3s;
	border:1px solid #DCDCDC;
}

summary:hover {
    background: #ad34ad;
	color:#fff;
}

/* Usunięcie domyślnej strzałki */
summary::-webkit-details-marker {
    display: none;
}

details[open] summary {
    background: #d0d0d0;
}

details p {
    padding: 15px 20px;
    margin: 0;
    border-top: 1px solid #ddd;
}