<style>
.inline-block {
  display: inline-block;
  height: 20px;
  width: 20px;
  background-color: blue;
  vertical-align: bottom;
}

.test {
  direction: rtl;
  width: 100px;
  font-family: Ahem;
  font-size: 20px;
  color: blue;
  background-color: green;
}
</style>
<div class=test><span>X</span><div class=inline-block></div></div>
<div class=test><span style="margin-left: 20px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-right: 40px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-left: 20px; margin-right: 40px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-inline-start: 40px; margin-inline-end: 20px;">X</span><div class=inline-block></div></div>

<div class=test><span style="margin-left: -40px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-right: -80px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-left: -40px; margin-right: -80px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-inline-start: -80px; margin-inline-end: -40px;">X</span><div class=inline-block></div></div>

<div class=test><span style="margin-left: 40px; margin-right: -80px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-left: -40px; margin-right: 80px;">X</span><div class=inline-block></div></div>
<div class=test><span style="margin-inline-start: -80px; margin-inline-end: 40px;">X</span><div class=inline-block></div></div>

<div class=test><span style="margin-left: -40px;">X</span><div class=inline-block style="margin-left: -50px;"></div></div>
<div class=test><span style="margin-right: -80px;">X</span><div class=inline-block style="margin-right: -50px;"></div></div>
<div class=test><span style="margin-left: -40px; margin-right: -80px;">X</span><div class=inline-block style="margin-left: 50px;"></div></div>
<div class=test><span style="margin-inline-start: -80px; margin-inline-end: -40px;">X</span><div class=inline-block style="margin-right: 50px;"></div></div>