details {
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.03);
    margin-bottom: 8px;
    padding: 12px 30px 2px 15px;
}

details summary {
    display: block;
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 300;
    cursor: pointer;
}



details[open] summary {
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}