.btn-github {
    display: inline-flex;
    align-items: center;
    background-color: #24292e; /* Couleur officielle GitHub */
    color: #ffffff !important;
    text-decoration: none !important;
    padding: 10px 20px;
    border-radius: 6px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-weight: 600;
    transition: background-color 0.2s;
    margin-bottom: 20px;
  }

  .btn-github:hover {
    background-color: #444d56;
  }

  .btn-github svg {
    margin-right: 8px;
    fill: white;
  }