body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100vh;
    margin:0;
}

main {
    display: flex;
    flex-grow: 1;
    align-items: center;
}

main img {
    width: 100vw;
}

header {
    align-self: flex-start;
}

footer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 20px;
}

footer a {
    text-transform: uppercase;
    text-decoration: none;
    color: #000000;
    display: inline;
    margin-right: 20px;
}