html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 1rem;
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.4s ease;
}

.container-main {
  max-width: 860px;
  width: 100%;
}

.card {
  border-radius: 1rem;
  overflow: hidden;
  border: 2px solid var(--bs-border-color);
}

#icon-container .material-icons-round {
  font-size: 3rem;
}

.footer {
  padding: 1.5rem 0;
  font-size: 0.875rem;
  color: var(--bs-secondary-color);
}

.footer a {
  color: var(--bs-secondary-color);
  text-decoration: none;
  text-underline-offset: 2px;
  font-weight: 500;
}

.footer a:hover {
  text-decoration: underline;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}