  
    <!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Responsive Count Up Animation</title>
  <!-- Fontawesome icons -->
  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/all.css" integrity="sha384-DyZ88mC6Up2uqS4h/KRgHuoeGwBcD4Ng9SiP4dIRy0EXTlnuz47vAwmeGwVChigm" crossorigin="anonymous">

  <!-- Google Fonts -->
  <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap" rel="stylesheet">

  <style>
    *{
      padding: 0;
      margin: 0;
      box-sizing: border-box;
      font-family: "Poppins", sans-serif;
    }

    body {
      background-color: #171717;
    }

    .wrapper {
      display: flex;
      justify-content: space-around;
    }

    .container {
      width: 15vmin; /* Reduced width */
      height: 15vmin; /* Reduced height */
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      padding: 1em 0;
      position: relative;
      font-size: 14px; /* Reduced font size */
      border-radius: 0.5em;
      background-color: #21242b;
      border-bottom: 5px solid #188cf9; /* Reduced border thickness */
    }

    i {
      color: #188cf9;
      font-size: 2em; /* Reduced font size */
      text-align: center;
    }

    span.num {
      color: #fff;
      display: grid;
      place-items: center;
      font-weight: 600;
      font-size: 2.5em; /* Reduced font size */
    }

    span.text {
      color: #e0e0e0;
      font-size: 0.9em; /* Reduced font size */
      text-align: center;
      padding: 0.7em 0;
      font-weight: 400;
      line-height: 0;
    }
  </style>
</head>
<body>

  <div class="wrapper">
    <div class="container">
      <i class="fab fa-twitter"></i>
      <span class="num" data-val="350">000</span>
      <span class="text">Followers</span>
    </div>
    <div class="container">
      <i class="fab fa-facebook-f"></i>
      <span class="num" data-val="250">000</span>
      <span class="text">Followers</span>
    </div>
    <div class="container">
      <i class="fab fa-youtube"></i>
      <span class="num" data-val="325">000</span>
      <span class="text">Followers</span>
    </div>
    <div class="container">
      <i class="fab fa-instagram"></i>
      <span class="num" data-val="275">000</span>
      <span class="text">Followers</span>
    </div>
  </div>

  <script>
    let valueDisplays = document.querySelectorAll(".num");
    let interval = 4000;

    valueDisplays.forEach((valueDisplay) => {
      let startValue = 0;
      let endValue = parseInt(valueDisplay.getAttribute("data-val"));
      let duration = Math.floor(interval / endValue);
      let counter = setInterval(function () {
        startValue +=1;
        valueDisplay.textContent = startValue;
        if (startValue == endValue) {
          clearInterval(counter);
        }
      }, duration);
    });
  </script>

</body>
</html>

  
Code trial
