body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background-color: #ffeb3b;
    color: #3c3a3a;
    text-align: center;
    padding: 20px;
    margin-bottom: 30px;
}
nav {
    margin-top: 15px;
}
nav a {
    color: #414040;
    text-decoration: none;
    margin: 0 15px;
    padding: 8px 16px;
    background-color: white;
    border-radius: 5px;
}
nav a:hover {
    background-color: #f0f0f0;
}
main {
    padding: 0 20px;
}
section {
    margin-bottom: 20px;
}
.banana-selector {
    text-align: center;
}
#bananaSelect {
    padding: 8px;
    font-size: 16px;
    margin-bottom: 15px;
}
#bananaImage {
    display: block;
    margin: 0 auto;
}