.catalog {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}
.list {
  margin: 2em 1em;
  box-shadow: -3px 4px 3px 0px #00000026;
}
@media only screen and (max-width: 650px) {
  .list {
    margin: 2em 0;
  }
  .list img {
    width: calc(50vw - 50px);
    height: auto;
  }
}