* {
    margin: 0;
    padding: 0;
}
html, body {
    height: 100%;
}
body {
    background-color: #000;
}
p {
    margin-bottom: 10px;
}
#main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
}