* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont,
                 "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f6f7f9;
    margin: 0;
    padding: 0;
    color: #222;
}

main {
    max-width: 800px;
    margin: 40px auto;
    padding: 24px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

h1 {
    margin-top: 0;
    font-size: 1.8rem;
}

p {
    color: #555;
}

ul.students {
    list-style: none;
    padding: 0;
}

ul.students li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

ul.students li:last-child {
    border-bottom: none;
}

ul.students a {
    color: #0066cc;
    text-decoration: none;
}

ul.students a:hover {
    text-decoration: underline;
}