resources/views/manager/businesses/vacancies/_services.blade.php
<ul class="list-group">
@foreach($times as $time => $availableCapacity)
@if($availableCapacity === null)
<li class="list-group-item list-group-item-default">
{{ $time }}
</li>
@elseif($availableCapacity > 0)
<li title="{{ $date }} {{ $time }} {{ $availableCapacity }}" class="list-group-item list-group-item-success">
{{ $time }}
</li>
@else
<li title="{{ $date }} {{ $time }} {{ $availableCapacity }}" class="list-group-item list-group-item-danger">
{{ $time }}
</li>
@endif
@endforeach
</ul>