CodePen Embed - box-sizing 1

<div class="box"></div>

.box {
  box-sizing: content-box;
  width: 100px;
  height: 100px;
  padding: 20px;
  border: 5px solid;
}

.box {
  background-color: skyblue;
}

This Pen is owned by Zach Snoek on CodePen.

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