Remove <center> tag

root/styles/subsilver2/template/portal/block/donation/paypal.html

@@ -6,7 +6,7 @@ https://www.paypal.com/cgi-bin/webscr?cmd=p/sell/mc/mc_wa-outside
 //-->
 
 <form action="https://www.paypal.com/cgi-bin/webscr" target="_blank" method="post">
-<center>
+<div style="text-align: center;">
 	<input type="hidden" name="cmd" value="_xclick" />
 	<input type="hidden" name="business" value="{PAY_ACC}" />
 	<input type="hidden" name="item_name" value="{L_PAY_ITEM}" />
@@ -34,5 +34,5 @@ http://www.htmlhelp.com/reference/charset/
 	</select>
 	<br />
 	<input type="image" src="portal/images/paypal.gif" style="border:0px; background-color:transparent; padding-top:6px" />
-</center>
+</div>
 </form>