<style>
div {
  font-family: "Arial";
  background-color: green;
  text-box-edge: leading;
  color: transparent;
}
</style>
<div><span style="font-size: 100px;">XXXXX</span></div>
<div><span style="margin: 10px; font-size: 100px;">XXXXX</span></div>
<div><span style="border: 10px solid green; font-size: 100px;">XXXXX</span></div>
<div><span style="padding: 10px; font-size: 100px;">XXXXX</span></div>
