.app-content {
  padding: 20px;
}

.card {
  border: 1px solid #ddd;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.card-body {
  padding: 15px;
}

h5 {
  margin-bottom: 20px;
}

.table {
  margin-top: 20px;
}

.table th, .table td {
  text-align: center;
  vertical-align: middle;
}

.btn-primary {
  background-color: #007bff;
  border: none;
}

.btn-danger {
  background-color: #dc3545;
  border: none;
}

.float-right {
  float: right;
}

.text-center {
  text-align: center;
}

input.form-control, select.form-control {
  margin-bottom: 10px;
}

form .btn-primary {
  width: 100%;
}