body {
    margin: 0;
    font-family: Arial, sans-serif;
}
.sidebar {
    width: 250px;
    float: left;
    padding: 20px;
    background: #f4f4f4;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar li {
    margin: 5px 0;
    cursor: pointer;
    color: #007acc;
}
.content {
    margin-left: 270px;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    box-sizing: border-box;
}
.content > div {
    border: 1px solid #ccc;
    padding: 15px;
    width: calc(33.333% - 20px);
    box-sizing: border-box;
    background: #fff;
}
.detail-button {
    background-color: #007acc;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
}


.content pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 12px;
}