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

body {
    font-family: Arial, sans-serif;
}

.navbar {
    background-color: #2c3e50;
    padding: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    background-color: #34495e;
}

.content {
    text-align: center;
    padding: 20px;
}

img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ccc;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        padding: 10px 15px;
    }
}