body {
  font-family: Arial, sans-serif;
}

header h1 {
  font-size: 2.5rem;
}

.card {
  border-radius: 12px;
}
.card img {
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}
.navbar-brand {
  font-size: 1.8rem;
}