app.css s edit

body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #ffffff;
  }

  .footer {
    background-color: #030000;
    color: #fff;
    padding: 1%;
    text-align: center;
  }

  .navbar {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #030000;
    color: #fff;
    padding: 1%;
    text-align: center;
    height: 70px;
}

  .app-container {
    display: flex;
    flex-direction: column;
    min-height: 10vh;
  }

  .library-container {
    display: flex;
    flex: 1;
    padding: 0%;
  }

  .content-list {
    width: 50%;
    background-color: #fff;
    padding: 2%;
    overflow-y: auto;
    border-right: 2px solid #ccc;
  }

  .content-details {
    width: 50%;
    padding: 2%;
    background-color: #fff;
    display: flex;
    flex-direction: column;
  }

  .book-list h2, .book-details h2 {
    margin-top: 0;
    color: #333;
  }

  .deleteButton {
    background-color: #f44336;
    padding: 10px 20px;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
  }

  .deleteButton:hover {
    background-color: #d32f2f;
  }

  .editButton {
    background-color: #ffc107;
    padding: 10px 20px;
    color: rgb(255, 255, 255);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-bottom: 10px;
}

.editButton:hover {
    background-color: #ffb300;
}

  input{
    width: 50%;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    max-width: 600px;
    padding: 10px;
    box-sizing: border-box;
  }

  #editButton {
    background-color: #ffc107;
    padding: 10px 20px;
    color: rgb(255, 255, 255);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-bottom: 10px;
    margin-right: 10px;
}

  #saveButton {
    padding: 10px;
    background-color:#0a6ff4;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#clearButton {
    padding: 10px;
    background-color:#f4930a;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#saveButton {
    margin-right: 20px;
}

  button:hover {
    opacity: 0.85;
  }

  footer {
    padding: 1%;
    background-color: #040404;
    color: #fff;
    text-align: center;
  }

  ul {
    list-style: none;
    padding: 10;
    margin: 0;
  }

  li {
    margin-bottom: 1%;
    padding: 1%;
    border-bottom: 1px solid #ccc;
  }

  li:last-child {
    border-bottom: none;
  }

  li:hover {
    background-color: #f9f9f9;
  }