Read sample-about.html & then look at all the SSI_*.html files

/empty/theme.php is a empty theme file which you can use to simply
paste your html code into whener designing themes.

Neither the SSI_*.html files, nor the /empty/ folder is needed for
the theme to function properly, you may delete these if you wish.

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SSI_sample-theme.shtml

Shows the overall look by using SSI includes, which dreamweaver is
capable of displaying.