<div id="ricerca">
<form id="form1" name="form1" method="post" action="">
<label>



<select name="categoria" class="text">
</select>


<select name="select" class="text2">
</select>


<input name="" type="text" maxlength="40" class="text"/>


<input name="" type="button" class="pulsante"/>
</label>
</form>
</div>

Ecco qui pulito dal asp.