<div class="col-6 col-sm-4 col-md-2">
    <button class="btn btn-block btn-dark add-shadow" onclick="location.href = '<?php echo base_url('hr/leave_v2/admin_manager') ?>'" style="padding-top: 1.5rem; padding-bottom: 1.5rem;" data-trigger="hover" data-tooltip="tooltip" title="Manager's Leave" >
        <i class="fas fa-user-tie fa-3x"></i> 
    </button>
</div>
<div class="col-6 col-sm-4 col-md-2">
    <button class="btn btn-block btn-dark add-shadow" onclick="location.href = '<?php echo base_url('hr/leave_v2/admin_applications') ?>'" style="padding-top: 1.5rem; padding-bottom: 1.5rem;" data-trigger="hover" data-tooltip="tooltip" title="Applications List" >
        <i class="fas fa-clipboard-list fa-3x"></i>   
    </button>
</div>
<div class="col-6 col-sm-4 col-md-2">
    <button class="btn btn-block btn-dark add-shadow" onclick="location.href = '<?php echo base_url('hr/leave_v2/admin_allocation'); ?>'" style="padding-top: 1.5rem; padding-bottom: 1.5rem;" data-trigger="hover" data-tooltip="tooltip" title="Leave Allocation Setup" >
        <i class="fas fa-users-cog fa-3x"></i>
    </button>
</div>
<div class="col-6 col-sm-4 col-md-2">
    <button class="btn btn-block btn-dark add-shadow" onclick="location.href = '<?php echo base_url('hr/leave_v2/admin_entitlement'); ?>'" style="padding-top: 1.5rem; padding-bottom: 1.5rem;" data-trigger="hover" data-tooltip="tooltip" title="Leave Entitlement Setup" >
        <i class="fas fa-calendar-check fa-3x"></i> 
    </button>
</div>
<div class="col-6 col-sm-4 col-md-2">
    <button class="btn btn-block btn-dark add-shadow" onclick="location.href = '<?php echo base_url('hr/leave_v2/admin_leave_type_setup'); ?>'" style="padding-top: 1.5rem; padding-bottom: 1.5rem;" data-trigger="hover" data-tooltip="tooltip" title="Leave Type Setup" >
        <i class="fas fa-cog fa-3x"></i>
    </button>
</div> 