<!DOCTYPE html> <!-- webkit-test-runner [ internal:LayoutFormattingContextEnabled=true internal:LayoutFormattingContextIntegrationEnabled=false ] -->
<style>
div {
    border: 10px solid green;
}
</style>
<div style="height: 70px; width: 70px;"></div>
<div style="height: 40px; width: 40px;"></div>