Edit in JSFiddle

<div>
  <p>Wrold</p>
</div>

* {
  margin: 0;
}

div {
  height: 50px;
  background-color: blue;
  margin-top: 10px;
}
p {
  width: 100px;
  background-color: yellow;
  margin-top: 20px;
}