<!DOCTYPE html>
<style>
.container {
  transform: rotateY(180deg);
  width: 100px;
  height: 100px;
  overflow: scroll;
  background: green;
}
.content {
  width: 300px;
  height: 300px;
}
</style>
<div class="container">
  <div class="content"></div>
</div>