body {
    font-family: 'Roboto', sans-serif;
    display: flex;
}

#navbar {
    width: 20%; 
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh; 
    overflow-y: auto; 
    border-right: 2px solid #ccc;
    background-color: #f9f9f9;
    padding: 20px; 
}

.nav-link {
    display: block; /* Ensure each link is a block-level element */
    margin: 10px 0; /* Space out the links */
    padding: 10px; /* Padding for clickability and appearance */
    text-decoration: none; /* Remove underline from links */
    color: #333; /* Dark color for text */
    border-radius: 5px; /* Optional: Rounded corners for aesthetics */
    transition: background-color 0.3s ease; /* Smooth transition for hover effect */
}


#main-doc {
    margin-left: 20%;
    padding: 10px;
    overflow: hidden;
}

@media (max-width: 600px) {
    #navbar {
        width: 100%;
        height: auto;
        position: relative;
    }
    #main-doc {
        margin-left: 0;
    }
}