Text color and background in a text box.

I added the following code into the page:

<style>
k1 {
    background-color: #f2f2f2;
	color: black;
}
</style>

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The code for the text box is:

 		<td width = "8%">
			<k1>
				<input name="Min_Store" type="text" id="Min_Store" value="<?php echo $Min_Store?>"  maxlength="6" size = "10" pattern="^\d*?" title="Minimum Store Size - Range is from 0 to 999,999.  Comma(s) and decimals are not allowed" />  
			</k1>
		</td>

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It still shows as black text on a white background.  What did I miss?