body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}
.container {
    padding: 20px;
}
h1 {
    margin-bottom: 20px;
}
.pdf-container {
    width: 80%;
    height: 750px;
    margin: auto;
    border: 1px solid #ffffff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}