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

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

header {
    background: darkblue;
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-bottom: 20px;
}

header .logo {
    max-width: 150px;
    display: block;
    margin: 0 auto 10px;
}

header h1 {
    font-size: 2.5em;
}

nav {
    background: darkblue;
    color: white;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
}



.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

main {
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

footer {
    background: darkblue;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8em;
    }

    nav ul li a {
        font-size: 1em;
    }
}