@ мкр. Шаджедул Хасан
Вот ответ
User md вместо xs
.someSpace{
padding:10px;
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
<div class="container" style="height: 250px;">
<h3>Operating Systems</h3>
<div class="someSpace"></div>
<div class="row">
<div class="col-md-1">Ubuntu</div>
<div class="col-md-6">
<div class="progress" style="height: max-content;">
<div class="progress-bar progress-bar-animated progress-bar-striped" role="progressbar" style="width: 75%"
aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"><strong>75%</strong></div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-1">Ubuntu Fedora</div>
<div class="col-md-6">
<div class="progress" style="height: max-content;">
<div class="progress-bar progress-bar-animated progress-bar-striped" role="progressbar" style="width: 75%"
aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"><strong>75%</strong></div>
</div>
</div>
</div>
</div>