body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f0f0f0;
  font-family: Arial, sans-serif;
}

.centered-content {
  text-align: center;
  font-size: 24px;
  color: #333;
}