Quelle  1810260.html

<style>
*:only-child {
  display: contents;
}
*:nth-child(1) {
  mask: url(data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=) repeat-x view-box;
}
</style>
<script>
document.addEventListener('DOMContentLoaded', () => {
  document.execCommand("selectAll", false)
  document.designMode = "on"
  document.execCommand("backColor", false, "red")
  document.execCommand("justifyFull", false)
})
</script>
A
<q contenteditable="true">
<link>
<svg>
<line></line>
<text white-space="pre-line">
A
</text>
<defs>
</svg>
A