CodePen Embed - 005 Box Model

<div class="parent">
  <p class="son1">This is green.</p>
  <p class="son2">This is red.</p>
</div>

<div class="parent2">
  this is parent2.
  <p class="son3">this is red.</p>
</div>

.parent {
  color: green;
}

.son2 {
  color: red;
}

.son3 {
  color: red;
}

This Pen is owned by Pengfei Wang on CodePen.

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