JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.4.1.slim.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.css">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.14.0/css/all.css" integrity="sha384-HzLeBuhoNPvSl5KYnjx0BT+WB0QEEqLprO+NBkkk5gbc67FTaL7XIGa2w1L0Xbgc" crossorigin="anonymous">


<div class="container">
  <div class="row" style="height: 100px;">
  
    <div class="col-sm text-center bg-dark" style="align-self: stretch; align-items: center; display: flex;" >
       <i class="fas fa-search"></i>
Suchen
    </div>
    <div class="col-sm text-center bg-info " style="align-self: stretch; align-items: center; display: flex;">
      <i class="far fa-hand-pointer"></i>
      Stylisten wählen
    </div>
    <div class="col-sm text-center bg-primary" style="align-self: stretch; align-items: center; display: flex;">
      <i class="far fa-calendar-alt"></i>
      Anfrage senden
    </div>
        <div class="col-sm text-center bg-warning" style="align-self: stretch; align-items: center; display: flex;">
      <i class="far fa-smile"></i>
      Verwöhnen lassen
    </div>
  </div>
</div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}