JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form-group">
<label class="control-label" for="input-option">Couleur</label>
<select name="option[0]" id="input-option" class="form-control">
<option value="">--- Selectioner ---</option>
<option value=""> Red() + : 50</option>
</select>
</div>
<div class="form-group">
<label class="control-label" for="input-option">Couleur</label>
<select name="option[1]" id="input-option" class="form-control">
<option value="">--- Selectioner ---</option>
<option value=""> Red() + : 50</option>
<option value=""> Vert() </option>
</select>
</div>
<div class="form-group">
<label class="control-label" for="input-option">Taille</label>
<select name="option[]" id="input-option" class="form-control">
<option value="">--- Selectioner ---</option>
<option value=""> Red() + : 50</option>
<option value=""> Vert() </option>
<option value=""> S() </option>
</select>
</div>
<div class="form-group">
<label class="control-label" for="input-option">Taille</label>
<select name="option[3]" id="input-option" class="form-control">
<option value="">--- Selectioner ---</option>
<option value=""> Red() + : 50</option>
<option value=""> Vert() </option>
<option value=""> S() </option>
<option value=""> M() + : 20</option>
</select>
</div>