Bootstrap Wybierz strzałkę pola nie jest widoczna

// bootstrap select box arrow not visible
// Solution - Add form-select class next to the form-control class 
// for B5 Version

<select class="form-control form-select">
    <option>Select Title</option>
    <option value="1">Title 1</option>
    <option value="2">Title 2</option>
</select>
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