html,
body {
  display: flex;
  height: 100%;
  width: 100%;
  align-items: center;
  justify-content: center;
}
.card {
  border-radius: 10px;
  margin-top: 40px !important;
  height: 500px !important;
  width: 400px;
}

.card.has-text-centered .card-header,
.card.has-text-centered .card-content,
.card.has-text-centered .card-footer {
  justify-content: center;
  align-items: center;
}
.card.has-text-centered h1 {
  font-size: 1.75rem;
  font-weight: bold;
}

.navbar {
  margin-bottom: 20px !important;
}