Unnamed

<form action="index.php" method="post">

Background color: <input name="bgcolor" type="text" /> 
 
Width:<select name="width"> 
<option>640px</option>
<option>800px</option>
<option>1024px</option>
<option>100%</option>
</select>

Align page (if fixed width):<select name="alignpage"> 
<option>Center</option>
<option>Left</option>
<option>Right</option>
</select>

<input type="submit" />
</form>