boga-net

-webkit-transition: filter .5s;
   -moz-transition: filter .5s;
     -o-transition: filter .5s;
        transition: filter .5s;

position: absolute;
bottom: 50px;

<select class="input-md form-control" id="category" name="category">
<option disabled selected id="sel">Что будем крутить?</option>
<option value="11">Услуги Youtube</option>
<option value="12">Услуги Instagram</option>
</select>

function removeQuantity(value)  {
	console.log(value);
}

$('#category option').on('click', function() {
	value = $(this).val();
	removeQuantity(value);
});

position: fixed;
left: 0;
top: 0;
width: 320px;
height: 100vh

#menu img {
  width: 45px;
  height: 45px;
}