not able to Align the button , it goes to extreme right

Hi,

I have a  snapshot, i have written an html code like this below but issue is how can make Maintain Groups to middle and AddGroups to adjusted little  3 to 4 space back,  not extreme right  


thank u

<tr>
		<td width="50%" >Maintain Groups</td> 
		<td align="right">
		<input id="AddGroups" type="button" value="Add Groups"></td>
		
		
	</tr>

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