<!DOCTYPE html> <!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] -->
<div style="width: 300px; height: 40px; background-color: green;"></div>
<div style="width: 50px; height: 20px; background-color: red; position: relative; top: -20px; left: 90px"></div>