body {
    margin: 0;
    font-family: system-ui, Helvetica, sans-serif;
    background-color: white;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #8c53c6;
  }
  .wrapper {
    max-width: 1020px;
    margin: auto;
  }
  h1 {
    font-size: 70px;
    margin: 0;
    /* line-height: 100px; */
    -webkit-text-stroke: 2px rgba(255,255,255,.7);
  }
  p {
    max-width: 32em;
    margin: 1em auto;
  }
  .burn {
    color: white;
    background: #00aef7;
    border: none;
    font-size: 5em;
    line-height: 0;
    border-radius: 50%;
    font-weight: bold;
    cursor: pointer;
    width: 150px;
    height: 150px;
    outline: 0;
    box-shadow: 10px 10px 10px 0 rgba(0,0,0,.5), -5px -5px 10px 0 rgba(255,255,255,.3);
    position: relative;
  }
  details {
    text-align: left;
    color: white;
    padding: 1em;
    cursor: pointer;
    line-height: 1.6;
    font-size: 1.2em;
  }
  .burn:before {
    border: 3px solid white;
    content: '';
    background-color: #00aef7;
    z-index: -1;
    position: absolute;
    left: -20px;
    top: -20px;
    bottom: -20px;
    right: -20px;
    border-radius: 50%;
  }
  
  .burn:active {
    box-shadow: inset 10px 10px 10px 0 rgba(0,0,0,.5), inset -10px -10px 10px 0 rgba(255,255,255,.3);
  }
  
  .result {
    font-size: 3em;
    color: white;
    text-shadow: 5px 2px 0 red;
  }