html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    font-family: 'Courier New', Courier, monospace;
}

.main {
    margin-top: 6vh;
    padding: 8%;
    text-align: center;
    font-size: xx-large;
}