body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f3f3f3;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #333;
    padding: 10px 20px;
    z-index: 1000; /* Ensures the header is above other content */
}

header h1 {
    display: inline;
    color: #fff;
    margin: 0;
}

.nav-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #555;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    margin-left: 20px;
}

.nav-btn:hover {
    background-color: #777;
}

/* Adjust the content padding to prevent it from being hidden under the fixed header */
body {
    padding-top: 60px; /* Adjust this value to match the height of your fixed header */
}

/* Responsive Styles */
@media screen and (max-width: 768px) {
    header {
        padding: 10px;
    }

    .nav-btn {
        padding: 8px 15px;
        margin-left: 10px;
    }
}

#gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 20px;
    padding: 20px;
    margin-top: 20px;
}

.image {
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.image img {
    width: 100%;
    height: auto;
}

#bottom-section {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    margin: 0 10px;
}

.btn:hover {
    background-color: #555;
    color: #fff;
}