body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
}
/* Left sidebar menu */
#sidebar {
    width: 200px;
    background-color: #2c3e50;
    color: white;
    padding-top: 10px;
    position: fixed;
    height: 100%;
}
#sidebar a {
    display: block;
    padding: 15px;
    text-decoration: none;
    color: white;
    font-size: 18px;
    margin-bottom: 10px;
    background-color: #34495e;
    border-radius: 5px;
}
#sidebar a:hover {
    background-color: #1abc9c;
}
#sidebar .viewingpage  {
    background-color:#1abc9c ;
}
/* Content area */
#content {
    margin-left: 220px;
    padding: 20px;
    width: 100%;
}
.pdf-links{
    font-size: 20px;
    text-decoration: none;
    color: #333;
}
.link :hover {
    color: #1abc9c;

}
.slider-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}
.slider {
    width: 80%;
    max-width: 800px;
    position: relative;
    overflow: hidden;

}
.slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}
.slides img {
    width: 100%;
    border-radius: 10px;
    height: 100%;

}
.navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}
.navigation button {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
    margin: 10px;
}
.navigation button:hover {
    background-color: rgba(0, 0, 0, 0.8);
}
h2{
    text-align: center;
    color: #34495e;
    font-size: 30px;
}