.star {
  float: left;
  width: 350px;
  shape-margin:20px;
  margin-right: 75px;
  margin-bottom: 20px;
  shape-outside: inset(15% round 50%);
  border-radius: 100px;
  margin-top: 70px;
}


.moon {
  float: right;
  width: 350px;
  shape-margin:20px;
  margin-left: 75px;
  margin-bottom: 20px;
  shape-outside: inset(15% round 50%);
  border-radius: 100px;
  margin-top: 70px;
}

@media (max-width: 767px) {
    .star {
        float: none;
    }

    .moon {
        float: none;
    }
}