body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    text-align: center;
}

header {
    background-color: #444;
    color: #fff;
    padding: 1rem;
}

.header-title {
    color: white;
    font-size: 2rem;
    font-weight: bold;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
}

nav {
    background-color: #f4f4f4;
    padding: 1rem;
    margin-bottom: 2rem;
}

nav a {
    margin: 0 10px;
    text-decoration: none;
    color: #444;
    font-weight: bold;
}

h1, h2 {
    color: #222;
}

.highlight {
    color: #a67c00;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 0.3rem;
    background-color: #444;
    color: #bbb;
    font-size: 0.6rem;
    line-height: 1.2;
}

.image-container {
    text-align: center;
    margin: 20px 0;
}

.image-container img {
    width: 400px;
    height: auto;
}

.button {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: #a67c00;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
}

.button:hover {
    background-color: #8a6700;
}

.pdf-viewer {
    width: 100%;
    height: 80vh;
    border: 1px solid #ddd;
}