body {
    background-color: #f8f9fa;
  }

.card {
margin-bottom: 20px;
}

.card-title {
margin-bottom: 10px;
}

.btn-primary {
background-color: #007bff;
border-color: #007bff;
}

.btn-primary:hover {
background-color: #0069d9;
border-color: #0062cc;
}