body {
  margin: 20px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

main {
  max-width: 800px;
  margin: 0 auto;
}

.product {
  border: 1px solid #000;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 5px;
  background-color: #8ab9e9;
  ;
}

.price {
  text-align: right;
  font-weight: bold;
}

.product:nth-child(odd) {
  background-color: #a5e1aa;
}