1);
        }
      }
      @keyframes fill {
        40% {
          box-shadow: inset 0px 0px 0px 10px #7cb550;
        }
        100% {
          box-shadow: inset 0px 0px 0px 150px #7cb550;
        }
      }
      #one-click {
        margin-top: 100px;
      }
    </style>
  </head>
  <body >
    <script>
      var start = Date.now();
    </script>
  <div id="title">
    <center>one-click</center>
    <center id="one-click">
      <div id="checkcontainer">
        <svg
          class="checkcircle"
   