body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f9f9f9;
  color: #333;
}

header, footer {
  background: #004466;
  color: #fff;
 padding: 1rem;
  text-align: center;
}

#about {
  max-width: 800px;
 margin: 2rem auto;
  padding: 1rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,.1);
}