.whatsapp-messages-list li {
    background: #f9f9f9;
    border-left: 4px solid #d9edf7;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
  }
  
textarea.whatsapp-message {
    font-size: 16px;
    height: 400px;
    resize: vertical;
}