body {
    margin: 0;
    padding: 0;
}

h1, h2 {
    text-align: center;
}

input {
    display: block;
    margin: auto;
}

div {
    margin-top: 10px;
    text-align: center;
}

a {
    text-decoration: none;
}

table {
    margin: 10px auto;
    text-align: left;
}

th, td {
    width: 20rem;
    vertical-align: top;
}