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layer at (0,0) size 800x585
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            text run at (0,0) width 462: "This header should remain at the top of the browser window as you resize it. "
            text run at (462,0) width 173: "It can wrap to multiple lines. "
            text run at (635,0) width 158: "The center should be filled"
            text run at (0,20) width 209: "with an olive-bordered green box. "
            text run at (209,20) width 587: "It should start beneath the header, end above the footer, and fill the width of the browser window."
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            text run at (0,0) width 388: "This footer should remain at the bottom of the browser window. "
            text run at (388,0) width 243: "It can wrap to multiple lines if necessary."