Use Leaf's custom animated counters to showcase numbers and statistics.
Change the numbers inside the .counter element to update the content of the counter.
                                                        
<div class="row">
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-dark d-block">500</span>
        <span class="h5 text-gray">Happy people</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-dark d-block">1560</span>
        <span class="h5 text-gray">Units Ordered</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-dark d-block">5478</span>
        <span class="h5 text-gray">Subscribers</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-dark d-block">12031</span>
        <span class="h5 text-gray">Lines of Code</span>
    </div>
    <!--End of Counter-->
</div>
                                                        
                                                    
                                                Use modifier classes .text-* (eg. .text-primary) on the text elements to update their color.
                                                        
<div class="row">
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-primary d-block">500</span>
        <span class="h5 text-gray">Happy people</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-secondary d-block">1560</span>
        <span class="h5 text-gray">Units Ordered</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-tertiary d-block">5478</span>
        <span class="h5 text-gray">Subscribers</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 col-lg-3 mb-4 mb-lg-0">
        <span class="counter display-3 text-info d-block">12031</span>
        <span class="h5 text-gray">Lines of Code</span>
    </div>
    <!--End of Counter-->
</div>
                                                        
                                                    
                                                Using the following markup you can use icons above the counters:
                                                        
<div class="row">
    <!--Counter-->
    <div class="col-6 mb-3 col-lg-3 mb-lg-0">
        <div class="icon icon-shape icon-shape-primary rounded-circle mr-2 mr-md-0 mb-2">
            <i class="far fa-grin-hearts"></i>
        </div>
        <span class="counter display-3 text-primary d-block">500</span>
        <span class="h5 text-gray">Happy people</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 mb-3 col-lg-3 mb-lg-0">
        <div class="icon icon-shape icon-shape-secondary mr-2 mr-md-0 mb-2">
            <i class="fas fa-box-open"></i>
        </div>
        <span class="counter display-3 text-secondary d-block">1560</span>
        <span class="h5 text-gray">Units Ordered</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 mb-3 col-lg-3 mb-lg-0">
        <div class="icon icon-shape icon-tertiary mr-2 mr-md-0 mb-2">
            <div class="organic-shape scale-1">
                <svg class="organic-shape-tertiary" width="90" height="90" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg">
                    <g transform="translate(300,300)">
                        <path d="M115.7,-146.8C141.8,-115.9,149.2,-71.8,157.7,-27.3C166.2,17.3,175.7,62.1,166.4,112.8C157.1,163.4,128.8,219.8,90.1,223.5C51.4,227.1,2.3,177.9,-45.8,150C-93.9,122,-140.9,115.2,-152.3,90.4C-163.7,65.6,-139.5,22.6,-125.9,-16.7C-112.4,-55.9,-109.5,-91.5,-90.3,-123.7C-71.1,-155.8,-35.6,-184.4,4.6,-189.9C44.8,-195.4,89.6,-177.7,115.7,-146.8Z" />
                    </g>
                </svg>   
            </div>
            <div class="z-2"><i class="fas fa-fingerprint"></i></div>
        </div>
        <span class="counter display-3 text-tertiary d-block">5478</span>
        <span class="h5 text-gray">Subscribers</span>
    </div>
    <!--End of Counter-->
    <!--Counter-->
    <div class="col-6 mb-3 col-lg-3 mb-lg-0">
        <div class="icon icon-info mr-2 mr-md-0 mb-4">
            <i class="fas fa-brain"></i>
        </div>
        <span class="counter display-3 text-info d-block">12031</span>
        <span class="h5 text-gray">Lines of Code</span>
    </div>
    <!--End of Counter-->
</div>