table {
    border-collapse: collapse;
    width: 50%;
    margin: 20px auto;
    font-family: Arial, sans-serif;
}

th, td {
    border: 1px solid black;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

h1 {
    text-align: center;
}

a {
    display: block;
    text-align: center;

}