form {
    max-width: 350px;
    margin: 0 auto;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
  }
  
  input[type="text"],
  input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    padding-right: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  @media only screen and (max-width: 600px) {
    form {
      max-width: 100%;
      padding: 0 15px;
    }
  }