html, body {
    margin: 0;
    padding: 0;
    background-color: #f5f0e1;
    font-family: 'Inter', sans-serif;
    color: #2f2f2f;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    overflow-x: hidden;
  }
  main {
    text-align: center;
    padding: 2rem;
    max-width: 800px;
    width: 100%;
  }
 
  .content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  #startButton {
    background-color: #6a994e;
    color: white;
    align-self: center;
    flex-wrap: wrap;
    font-size: 1.2rem;
    padding: 0.7rem 1.2rem;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    margin-bottom: 0px;
    transition: background 0.3s ease;
    font-family: 'Crimson Text', serif;
  }
  
  #startButton:hover {
    background-color: #406635;
  }
  
  .boom {
    margin-bottom: 20px;
    position: relative;
    max-width: 250px;
    height: auto;
    align-self: center;
  }
  
  .source-link {
    margin-top: 10px;
    color: #4b3f2f;
    text-decoration: none;
    font-size: 0.9rem;
  }
  
  .header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    max-width: 66ch;
  }
  
  .tooltip {
    position: relative;
    display: inline-block;
  }
  
  .info-icon {
    cursor: pointer;
    font-size: 1.2rem;
  }
  
  .tooltip-text {
    visibility: hidden;
    width: 220px;
    background-color: #444;
    color: #fff;
    text-align: left;
    padding: 10px;
    border-radius: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
  }
  
  .tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
  }