body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background-color: #ff5733;
    color: white;
    padding: 10px 0;
    text-align: center;
}
nav {
    display: flex;
    justify-content: center;
    background-color: #c70039;
}
nav a {
    color: white;
    padding: 14px 20px;
    text-decoration: none;
    text-align: center;
}
nav a:hover {
    background-color: #900c3f;
}
.container {
    padding: 20px;
}
footer {
    background-color: #ff5733;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}
@media (max-width: 600px) {
    nav {
        flex-direction: column;
    }
}