CodePen Embed - CSS - Margin Collapse Horizontal

<span class="first">
  First Span
</span>
<span class="second">
  Second Span
</span>

span {
  border: solid;
  padding: 0;
  margin: 0;
}
.first {
  margin-right: 10px;
}
.second {
  margin-left: 10px;
}

This Pen is owned by sundicide on CodePen.

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