* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: rgb(129, 113, 153);
}

header {
    background: #222;
    color: white;
    padding: 1rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    position: sticky;
    top: 0;
}

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

.meme img {
    width: 30rem;
    max-height: 80vh;
    object-fit: contain;
    border: 3px solid #ddd;
    border-radius: 8px;
    background: white;
}