<style>
span { 
  -webkit-box-decoration-break: clone;
  padding-left: 10px;
  margin-left: 20px;
}
</style>
<!-- test the start side of the decoration clone -->
<div><span>this<br>inline box<br>has padding<br>and margin clone</span></div>
<div><span><span>this<br>inline box<br>has padding<br>and margin clone</span></span></div>
<div><span>this<br><span>inline box<br>has padding<br>and margin clone</span></span></div>
<div><span>this<br>inline box<br>has padding<br><span>and margin clone</span></span></div>