.textbox {
     margin: 20px 0;
     padding: 15px;
     border-radius: 5px;
     border: 1px solid #ddd;
}
 .textbox.info {
     background-color: #e7f3ff;
     border-left: 4px solid #2196f3;
}
 .textbox.warning {
     background-color: #fff3cd;
     border-left: 8px solid #ffc107;
}
 .textbox.success {
     background-color: #d4edda;
     border-left: 4px solid #28a745;
}
 .textbox.error {
     background-color: #f8d7da;
     border-left: 4px solid #dc3545;
}
 .textbox.note {
     background-color: #f8f9fa;
     border-left: 4px solid #6c757d;
}