<input type="submit" value="1" name="bottone" style="width:21px; height:25px; font-family: trebuchet MS; background-color: #F1F1F1;">

<input type="submit" value="2" name="bottone" style="width:21px; height:25px; font-family: trebuchet MS; background-color: #F1F1F1;">


in pratica così?