webkit.org/b/119979: The green box should be under the blue box.

webkit.org/b/119979: The green box should be under the blue box.

webkit.org/b/119979: The green box should be under the blue box.

webkit.org/b/119979: The three green boxes should be in a row.

webkit.org/b/119979: The three green boxes should be in a row.

webkit.org/b/119979: The three green boxes should be in a row.