body {
    margin: 0;
    padding: 0;
    background: rgb(181, 179, 230);
    font-family: Arial, sans-serif;
    display: flex;          /* Add this */
    min-height: 100vh;      /* Add this */
    * {
        box-sizing: border-box
    };
}

main {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;       /* Add this */
    flex: 1;               /* Add this */
}

img {
    display: block;
    max-width: 100%;
    max-height: calc(90vh);  /* Add this */
    border-radius: 12px;
    object-fit: contain;
    flex: 1;
}

p {
    text-align: center;
    margin-block-start: 0;
}

h1, p, a {
    color: rgb(6, 7, 4);
}