#coursedetails p {
    text-align: justify;
  }

  #maindiv {
    width: 60%;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
  }

  #course-title {
    text-align: center;
    margin-bottom: 20px;
  }

  #dvideo{
    position:relative;
    padding-top:56.25%;
   
  }

  #playerx{
        border: none; 
        position: absolute; 
        top: 0; left: 0; 
        width: 100%; 
        height: 100%;
    }

  .course-details-container {
    padding: 20px;
    margin-bottom: 30px;
  }

  #enroll-button {
    text-align: center;
  }

  /* Responsive styles for larger screens */
  .course-details-container {
    padding: 20px;
    margin-bottom: 30px;
  }

  #dvideo{
    width: 90%;
    margin: auto;
    margin-top: 20px;
    margin-bottom: 20px;
  }

  /* Responsive styles for smaller screens */
  @media (max-width: 768px) {
    #maindiv {
      width: 100%;
      margin: auto;
    }
    #coursedetails {
      width: 100%;
    }
    .course-details-container {
      width: 95%;
      padding: 10px;
    }
    #course-title h3{
    font-size: 1.3em;
    }
  }