body {
    margin: 0;
    padding: 20px;
    font-family: system-ui, sans-serif;
    background: #fafafa;
}

.year {
    margin-bottom: 20px;
}

.year h2 {
    cursor: pointer;
    background: #eee;
    padding: 10px;
    border-radius: 4px;
    margin: 0;
    font-weight: 500;
}

.list {
    margin-top: 10px;
    padding-left: 10px;
}

.item {
    padding: 6px 0;
}

a {
    color: #333;
}
a:hover {
    text-decoration: underline;
}