CodePen Embed - 001 Box Model

<p class="p0"></p>

<p class="p1"></p>

p {
  border: 1px solid black;
  width: 100px;
  height: 100px;
  padding: 20px;
}

.p0 {
  box-sizing: content-box;
}
.p1 {
  box-sizing: border-box;
}

This Pen is owned by Pengfei Wang on CodePen.

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