/* Floating container positioned 1.5rem from bottom/right */
    .floating-btn {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      z-index: 1050;
    }

    /* Button styled with custom color #0033a1 */
    .btn-donate {
      background-color: #0033a1;
      border-color: #0033a1;
      color: #fff;
      border-radius: 50px;
      padding: 0.8rem 1.2rem;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
      transition: transform 0.15s, box-shadow 0.15s;
    }
    .btn-donate:hover,
    .btn-donate:focus {
      background-color: #002680;
      border-color: #002680;
      transform: translateY(-2px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
      text-decoration: none;
    }

    /* Icon spacing inside the button */
    .btn-donate .btn-icon {
      margin-right: 0.5rem;
      font-size: 1.2rem;
    }

    /* Responsive adjustments for small screens */
    @media (max-width: 576px) {
      .floating-btn {
        bottom: 1rem;
        right: 1rem;
      }
      .btn-donate {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
      }
      .btn-donate .btn-icon {
        margin-right: 0.4rem;
        font-size: 1.1rem;
      }
    }

    /* Styles for crypto address blocks */
    .crypto-address {
      font-family: monospace;
      background-color: #f8f9fa;
      padding: 0.5rem;
      border-radius: 4px;
      margin-bottom: 0.5rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }