div.root {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
}

form {
    display: block;
}

form div.logo {
    text-align: center;
}
form div.heading {
    text-align: center;
    font-weight: bold;
    font-size: 150%;
    text-decoration: underline;
    margin-bottom: 0.25in;
}

form div.fields {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-gap: 5px;
}

form div.buttons {
    margin-top: 0.25in;
    text-align: right;
}