body {
      font-family: Arial, sans-serif;
      background-color: #f5f5f5;
      margin: 0;
      padding: 20px;
    }

    .message-container {
      background-color: #ffffff;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }

    .message {
      display: flex;
      align-items: flex-start;
      padding: 10px;
      border-radius: 10px;
      margin-bottom: 10px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }

    .message.acme {
      background-color: #eef9e9;
      /* Light green background */
      text-align: left;
    }

    .message.me {
      background-color: #e9f1fa;
      /* Light blue background */
      text-align: right;
      flex-direction: row-reverse;
    }

    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background-color: #ccc;
      margin-right: 10px;
    }

    .message.me .avatar {
      margin-left: 10px;
      margin-right: 0;
    }

    .message-content {
      flex-grow: 1;
    }

    .message strong {
      display: block;
      font-weight: bold;
      margin-bottom: 5px;
    }

    .message small {
      color: #888;
      display: block;
      margin-bottom: 5px;
    }

    .reply-box {
      background-color: #fff;
      padding: 20px;
      border-radius: 10px;
      border: 1px solid #d3f3d3;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
      margin-top: 20px;
    }

    .reply-box textarea {
      width: 100%;
      padding: 10px;
      border: 1px solid #d3f3d3;
      border-radius: 5px;
      resize: vertical;
      box-sizing: border-box;
    }

    .reply-box button {
      margin-top: 10px;
      padding: 10px;
      background-color: #4CAF50;
      /* Button green background */
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    .reply-box button:hover {
      background-color: #45a049;
    }