body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f9f9f9;
  min-height: 100%;
  height: 100%;
}

details {
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: white;
  padding: 10px;
}

summary {
  font-weight: bold;
  cursor: pointer;
  list-style: none;
  user-select: none; /* Standard syntax, supported by modern browsers */
}

details p {
  margin-top: 10px;
}

#logo {
  display: flex;
  justify-content: center;
}