{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

body, html {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f2f2f2;
}

.header {
  text-align: center;
  background-color: #4d27b8;
  color: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}