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layer at (0,0) size 812x600
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            text run at (0,0) width 487: "This header should remain at the top of the browser window as you resize it. "
            text run at (487,0) width 180: "It can wrap to multiple lines. "
            text run at (667,0) width 115: "The center should"
            text run at (0,19) width 270: "be filled with an olive-bordered green box. "
            text run at (270,19) width 505: "It should start beneath the header, end above the footer, and fill the width of the"
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            text run at (0,0) width 404: "This footer should remain at the bottom of the browser window. "
            text run at (404,0) width 256: "It can wrap to multiple lines if necessary."
