body {
    font-family: "Arial";
}
table, h1 {
    margin: auto;
}
h1 {
    text-align: center;
    padding: 15px;
}
table {
    width: 75vw;
    text-align: center;
    border-collapse: collapse;
}
th, td {
    padding: 10px;
    border: 1px solid black;
}