body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

.card {
  padding: 1rem;
}

.cards {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-gap: 1rem;
}

@media (min-width: 600px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
/* Screen larger than 900px? 3 columns */
@media (min-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

.card-img-top {
  align-self: center;
  max-width:200px;
  max-height:250px;
  width: auto;
  height: auto;
}

.img-logo {
  max-width:100px;
  max-height:50px;
  width: auto;
  height: auto;
}