<!-- start Simple Custom CSS and JS -->
<style type="text/css">
.button {
      position: relative;
      display: inline-block;
      padding: 20px 20px;
      background-color: #00a850;
      border: none;
      border-radius: 20px;
      color: white;
      font-size: 25px;
      font-weight: bold;
      text-align: center;
      text-decoration: none;
      cursor: pointer;
      overflow: hidden;
    }

    .button::before {
      content: "";
      position: absolute;
      top: 0;
      left: -100%;
      width: 30px;
      height: 150%;
      margin-top: -10px;
      background-color: rgba(255, 255, 255, 0.3);
      transform: rotate(20deg);
      animation: slide 4s infinite linear;
    }

    @keyframes slide {
      0% {
        left: -100%;
      }
      25% {
        left: 120%;
      }
      100% {
        left: 150%
      }
    }</style>
<!-- end Simple Custom CSS and JS -->
