/* General styles */
body {
    font-family: "Poppins" ,Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
}
  
  h1 {
    margin-top: 0;
    font-size: 34px;
    text-align: center;
    padding: 25px;
    text-decoration: underline;
    color: #002252;
  }
  button {
    padding: 7px 24px;
    background-color: #ffab1a;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 14px;
  }
  
  button:hover {
    background-color: #002252;
  }
  .code-img img{
    max-width: 500px;
    width: 100%;
  }
  
  .code-img{
    text-align: center;
  }

  .dwr_html_course {
    position: relative;
}
  /* Side navigation styles */
  .sidenav {
    width: 300px;
    position: absolute;
    height: 100%;
    top: 0;
    left: 0;
    background-color:#ffab1a;
    color: white;
    padding-top: 20px;
    overflow-x: hidden;
  }
  .dwr_nav_wrap{
    padding-bottom: 30px;
  }
  .sidenav h2 {
    text-align: center;
    color: #f1f1f1;
  }
  
  .sidenav .nav-link {
    display: block;
    color: white;
    padding: 6px 20px;
    text-decoration: none;
    transition: 0.2s;
  }
  
  .sidenav .nav-link:hover, .sidenav .nav-link.active {
    background-color: #002252;
  }
  
  /* Main content area */

 .dwr_main_content {
    background-color: #ffffff;
}
  #content-area {
    margin-left: 300px;
    padding: 20px;
    background-color: #ffffff;
  }
  
  .content {
    display: none;
  }
  
  .content.active {
    display: block;
  }
  
  .nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
  }
  



  /* Content section design */
  #bookintro img{
    max-width: 600px;
    width: 100%;

}
  .intro-content span{
    font-weight: bold;
  }

  .into-imp{
    background-color: #dbcab2;
    padding: 15px;
    margin: 20px 0;
  }

  .intro-main-img img{
    max-width: 600px;
    width: 100%;
  }

 
  
  /* Responsive styles */
  @media screen and (max-width: 860px) {
    .sidenav {
      display: none;
    }
  
    #content-area {
      margin-left: 0;
      padding: 10px;
    }
  
    .nav-buttons {
      justify-content: space-around;
    }
  }