div {
  border-radius: 1rem;
  width: 10rem;
  height: 15rem;
  float: left;
  margin: 1rem;
  box-sizing: border-box;
}

.one {
  background-color: aqua;
}

.two {
  border: solid 0.25rem aqua;
}

.three {
  background: url(https://static.www.nfl.com/t_q-best/league/api/clubs/logos/MIA) center top / cover no-repeat;
}