body {
    font-family:'Times New Roman', Times, serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #005f73;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

main {
    padding: 1.5rem;
}

h1, h2, h3 {
    color: #000000;
}

code {
    background-color: #e0f7fa;
    padding: 0.2rem 0.4rem;
    border-radius: 5px;
    font-family: 'Times New Roman', Times, serif;
}

pre {
    background-color: #e0f7fa;
    padding: 1rem;
    overflow-x: auto;
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

table th, table td {
    border: 1px solid #ccc;
    padding: 0.8rem;
    text-align: left;
}

table th {
    background-color: #005f73;
    color: #fff;
}

table tbody tr:nth-child(even) {
    background-color: #f1f1f1;
}