article {
  margin: 0 0.5rem 1rem 0.5rem;
  border: 1px solid #999;
  background-color: #fff;
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.1);
}

section {
  margin: 2rem 1rem;
}

@media (max-width: 768px) {

}