body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}

header {
  background: white;
  padding: 1%;
  text-align: center;
  border-bottom: 1px solid #ccc;
}

header img {
  width: 25%;
}

main {
  padding: 1%;
  max-width: 60%;
  margin: auto;
  background: white;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 10px 0;
    border-top: 1px solid #ccc;
    color: #666;
}