body {
    font-family: 'Helvetica Neue', sans-serif;
    background-color: #f5f5f5;
    color: #1a1a1a;
    margin: 0;
    padding: 0;
}
header {
    background-color: #1a1a1a;
    color: white;
    padding: 20px;
    text-align: center;
}
nav ul {
    list-style: none;
    padding: 0;
}
nav ul li {
    display: inline;
    margin: 0 10px;
}
nav ul li a {
    color: #e0dbd5;
    text-decoration: none;
}
main {
    padding: 20px;
}
.hero {
    background-color: #e0dbd5;
    padding: 40px 20px;
    text-align: center;
}
footer {
    background-color: #1a1a1a;
    color: #f5f5f5;
    text-align: center;
    padding: 10px;
}

img.banner {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 20px;
}
@media screen and (max-width: 600px) {
    header h1 {
        font-size: 1.5em;
    }
    main {
        padding: 10px;
    }
}