body {
  background: white;
  font-size: 80%;
  padding: 20px;
}

main {
  background: white;
  display: flex;
  justify-content: center;
  align-items: center;
  resize: both;
  overflow: auto;
}

.parent {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 30%;
}