.container1 {
  display: flex;
}

.container1 .item {
  width: 80px;
  height: 80px;
  background-color: #ff781e;
  margin: 15px;
}

.container1 .item3 {
  margin-left: auto;
}

.container1 .item5, .container1 .item7 {
  margin-left: auto;
}