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layer at (0,0) size 812x585
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            text run at (0,0) width 485: "This header should remain at the top of the browser window as you resize it. "
            text run at (485,0) width 183: "It can wrap to multiple lines. "
            text run at (668,0) width 132: "The center should be"
            text run at (0,18) width 254: "filled with an olive-bordered green box. "
            text run at (254,18) width 499: "It should start beneath the header, end above the footer, and fill the width of the"
            text run at (0,36) width 111: "browser window."
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            text run at (0,0) width 407: "This footer should remain at the bottom of the browser window. "
            text run at (407,0) width 257: "It can wrap to multiple lines if necessary."
