body {
    font-family: sans-serif;
    background: #f5f5f5;
    padding: 20px;
}
h1 {
    text-align: center;
}
table {
    margin: auto;
    background: #fff;
    border-collapse: collapse;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
th {
    background: #333;
    color: #fff;
}
td, th {
    padding: 10px 20px;
}