.banner {
  display: flex;
  flex-flow: column;
  justify-content: center;
  width: 100%;
  height: 25rem;
  color: #fff;
  padding: 0 10%;
  background-image: url('../images/product-banner.jpg');
  background-position: center;
  background-size: cover;
  box-sizing: border-box;
}

main {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin-bottom: 2rem;
}

main img {
  width: 50%;
  padding: 0.3rem;
  box-sizing: border-box;
}