body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
  }
  
  .container {
    max-width: 90%;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    text-align: center;
  }
  
  form {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
  }
  
  input[type="text"] {
    width: 100%;
    max-width: 300px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 10px;
  }
  
  button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #45a049;
  }


  .loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
    display: none;
  }

  #info_msg {
    display: none;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }