body {
    font-family: Arial, sans-serif;
}

summary {
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    padding: 10px;
    background: #eee;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 5px;
    list-style: none;
}

details {
    margin-bottom: 10px;
}

details[open] summary {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

details[open] .content {
    border-top: none;
    padding-top: 0;
}

.content {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background: #f9f9f9;
    margin-bottom: 20px;
    overflow: visible;
}