.sommaire-wrapper {
    margin-bottom: 20px;
/*    font-family: Arial, sans-serif;*/
}

.sommaire-details {
    background-color: #fff;
    border: 1px solid rgba(0,0,0,.05);
    padding: 10px 15px;
}

.sommaire-details summary {
    cursor: pointer;
    list-style: none;
    font-size: 1.0em;
    display: flex;
    align-items: center;
}

.sommaire-details summary::-webkit-details-marker {
    display: none;
}

.sommaire-details summary::before {
    content: "\25B6"; /* Flèche noire droite */
    display: inline-block;
    margin-right: 10px;
    transform: rotate(0deg);
    transition: transform 0.2s;
}

.sommaire-details[open] summary::before {
    transform: rotate(90deg);
}

.sommaire-details ul {
    list-style-type: none;
    padding-left: 0;
    margin: 15px 0 0 0;
}

.sommaire-details ul li {
    margin-bottom: 10px;
}

.sommaire-details ul li a {
    text-decoration: none;
/*    color: #0073aa;*/
    font-size: 1em;
}

.sommaire-details ul li a:hover {
    text-decoration: underline;
}

.sommaire-details summary .hide {
    display: none;
}

.sommaire-details[open] summary .show {
    display: none;
}

.sommaire-details[open] summary .hide {
    display: inline;
}