testhover.html

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  position: relative;
  width: 50%;
}

.image {
  display: block;
  width: 50%;
  height: auto;
}

.overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
  width: 50%;
  opacity: 0;
  transition: .5s ease;
  background-color: #008CBA;
}

.container:hover .overlay {
  opacity: 1;
}

.text {
  color: white;
  font-size: 20px;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
}
</style>
</head>
<body>

<h2>Tester</h2>


  <div class="row no-gutters">
      <div class="col"><div class="image-container"><img src="http://aktsa.org/img_2019/homecomm.jpg" height="550" alt="First slide"><div id="overlay">
          <div id="overlaytext"><h2><div id="hours-div" class="ev">
              <span data-aos-delay="200" data-aos="zoom-in" id="hours" class="counter" style="font-size:36px;">700</span>
                  <p class="subtitle">Hours of Community<br> Service</p>
              </div></h2></div>
          </div></img></div></div>
          <div class="col"><div class="image-container"><img src="http://aktsa.org/img_2019/commservice1.jpeg" height="550" alt="First slide"><div id="overlay">
            <div id="overlaytext">
                <span style="font-size:36px;" data-aos-delay="1000" data-aos="zoom-in" class="secondary-counter">$<span id="money" class="counter" style="font-size:36px;">3000</span></span>
                   <p class="subtitle">Dollars Raised for the <br> American Cancer Society</p>
                </div>
            </div></img></div></div>
    </div>


</body>
</html>