* {
    font-family: sans-serif;
    padding: 0;
    margin: 0;
}

body {
    margin: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

p {
    margin-top: 0;
    margin-bottom: 50px;
}

table, th, td {
    border: 1px solid black;
}

table {
    width: 50%;
}

th, td {
    text-align: center;
}