myFidd

myFidd

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="container">
<label for="phonNum"> Please enter phone Number</label>
  <div class="row text-left" >
    <div class="form-group form-inline"  show-errors>
      <div class="col-3">
        <input type="text" id="phoneInt" class="form-control" maxlength=3  name="phoneInt" placeholder="000" ng-model="client.phoneIn">
      </div>
      <div class="col">
        <input type="text" id="phone" class="form-control" maxlength=10  name="phone" placeholder="1234567891" ng-model="client.phone">
      </div>
    </div>
  </div>
</div>

CSS

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

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

#phoneInt, #phone {
  width: 100%;
}