body {
  background-color: #f0f2f5;
}

.card {
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card-body {
  padding: 20px;
}

.input-group-text {
  border-radius: 5px 0 0 5px;
}

.form-control {
  border-radius: 0 5px 5px 0;
}

.btn-primary {
  background-color: #007bff;
  border: none;
  padding: 8px;
  font-size: 14px;
}

.btn-primary:hover {
  background-color: #0056b3;
}