.before {
  *zoom: expression(this.runtimeStyle.zoom="1",(function(t){setTimeout(function(){t.el=document.createElement("x-archetype"), t.el.style.cssText="color: red; background: green;", t.insertBefore(t.el,t.childNodes[0]||null)})}(this)));
}

.after-content {
  *zoom: expression(this.runtimeStyle.zoom="1",(function(t){setTimeout(function(){t.el=document.createElement("x-archetype"), t.el.innerHTML="➽", t.appendChild(t.el)})}(this)));
}

.before-style-content {
  *zoom: expression(this.runtimeStyle.zoom="1",(function(t){setTimeout(function(){t.el=document.createElement("x-archetype"), t.el.innerHTML="testing ➽if this works", t.el.style.cssText="color: red; background: green;", t.insertBefore(t.el,t.childNodes[0]||null)})}(this)));
}