[Seaside] Cannot change background color

[David Pennington]

I have the following style sheet defined and called by my Seaside program. All of the entries for h2 and table take effect but I can't change the background color or the text color of the main page. Can anyone explain why?
standardStyle
^ '? body{background-color: yellow;color: red;}
h2 { 	font-size: 20pt; 	font-weight: strong; 	color: red;} table { } td { 	border: 2px solid #CCCCCC; 	padding: 4px; } th { 	border: 2px solid #CCCCCC; 	padding: 4px; } th, td {  text-align: left;}.LinkClass { font-size: 20pt; }
.field { background-color: lightgrey; } '

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