html,
body {
    margin: 0;
    display: flex;
    flex-direction: column;
}

body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 2rem auto;
    line-height: 1.6;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header img {
    max-width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2rem;
    text-align: center;
}

p {
    margin-left: 2rem;
    margin-right: 2rem;
    font-size: 1rem;
}

.center-image {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    height: auto;
}