.register-b {
      fill: blue;
      -webkit-animation: glowing 1300ms infinite;
      -moz-animation: glowing 1300ms infinite;
      -o-animation: glowing 1300ms infinite;
      animation: glowing 1300ms infinite;
  }

  .register-b:hover {
      box-shadow: 1px 5px 10px;
      color: black;
      background-color: #ffffff;
  }

  .register-b {


      width: 50px;
      height: 50px;
      margin-left: 10px;
      color: black;
      background-color: #ffffff;
      cursor: pointer;
      display: inline-block;
      font-family: 'Lucida Grande';
      font-size: 20px;
      padding: 10px 10px;
      text-align: center;
      text-decoration: none;
      -webkit-border-radius: 60px;
      border-radius: 60px;
      border: none;



  }

  @media (max-width: 767px) {
      .register-b {
          width: 30px;
          height: 30px;
          font-size: 14px;
  
      }

  }

  @media (max-width: 575px) {
      .register-b {


          width: 30px;
          height: 40px;
          font-size: 14px;
        

      }

  }
  /*

  @-webkit-keyframes glowing {
      0% {
          fill: #0091b2;
          -webkit-filter: drop-shadow(0 0 3px);
      }

      50% {
          fill: #21c7ed;
          -webkit-filter: drop-shadow(0 0 15px #21c7ed);
      }

      100% {
          fill: #0091b2;
          -webkit-filter: drop-shadow(0 0 3px #0091b2);
      }
  }

  @keyframes glowing {
      0% {
          fill: #0091b2;
          filter: drop-shadow(0 0 3px #0091b2);
      }

      50% {
          fill: #21c7ed;
          filter: drop-shadow(0 0 15px #21c7ed);
      }

      100% {
          fill: #0091b2;
          filter: drop-shadow(0 0 3px #0091b2);
      }
  }  */