<!DOCTYPE html> <!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] -->
<style>
div {
  font-family: Ahem;
  font-size: 10px;
  width: 10px;
  color: black;
  background-color: green;
}
</style>
<div>first<br>second<wbr>third_line</div>