Spacing

.parent {
  width: 100px;
  height: 150px;
  background: rgba(255, 0, 0, 0.5);
  border: 5px solid black;
}

.child {
  width: 150px;
  height: 200px;
  background: rgba(0, 255, 0, 0.5);
  border: 5px solid black;
}


.parent {
  width: 100px;
  height: 150px;
  background: rgba(255, 0, 0, 0.5);
  border: 5px solid black;
}

.child {
  margin: 10%;
  width: 150px;
  height: 200px;
  background: rgba(0, 255, 0, 0.5);
  border: 5px solid black;
}
