body {
    margin: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #212534;
  }
  * {
    box-sizing: border-box;
  }
  .btnContainer {
    width: 320px;
    height: 160px;
    position: relative;
  }
  .btn {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    background: #3c3459;
    border-radius: 999px;
    padding: 10px;
    cursor: pointer;
  }
  .knob {
    width: 140px;
    height: 140px;
    position: relative;
  }
  .top {
    background-color: #827d96;
    border-radius: 999px;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
  }
  .light {
    border-radius: 999px;
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(
      50% 50% at 50% 50%,
      #4cc3e2 10.42%,
      rgba(94, 199, 227, 0.791579) 27.08%,
      rgba(113, 204, 229, 0.35) 45.31%,
      rgba(144, 213, 231, 0.11) 65.1%,
      rgba(158, 216, 231, 0.02) 78.12%,
      rgba(177, 221, 233, 0) 95.83%
    );
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .hidden {
    visibility: hidden;
  }
  svg {
    position: absolute;
    bottom: 200px;
    left: 0;
    top: 90%;
  }
  .no-highlight {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }