JSFiddle - React, Tailwind, and code Playground

by Emmanuel Garcia

HTML

<select id="select-card" required>
      <option value=""></option>
      <option value="billing_place_1">Room Service</option>
      <option value="billing_place_2">Pool Bar</option>
</select>
<span id="billing_room_field">Room Service</span>
<span id="billing_chair_field">Pool Bar</span>

CSS

#select-card:invalid + #billing_room_field, #billing_chair_field { display: none;  }
#select-card:valid + #billing_chair_field { display: inline; }