How to create pulse button

See the below code for reference.

Pulse button

//html

<section id="features">
      <!-- Icon Conatiner -->
      <div class="icon-container">
        <!-- Image Wrapper -->
        <div class="img-wrapper">
          <!-- Image -->
<!--           <img src="./img/icon1.png" alt="" /> -->
          <i class="fa-sharp fa-solid fa-truck"></i>
        </div>
        <!-- Icon Text  -->
        <h4>Free Delivery</h4>
      </div>
  
  <script src="https://kit.fontawesome.com/82c17167fe.js" crossorigin="anonymous"></script>

//css

<section id="features">
      <!-- Icon Conatiner -->
      <div class="icon-container">
        <!-- Image Wrapper -->
        <div class="img-wrapper">
          <!-- Image -->
<!--           <img src="./img/icon1.png" alt="" /> -->
          <i class="fa-sharp fa-solid fa-truck"></i>
        </div>
        <!-- Icon Text  -->
        <h4>Free Delivery</h4>
      </div>
  
  <script src="https://kit.fontawesome.com/82c17167fe.js" crossorigin="anonymous"></script>```