body {
  font-family: sans-serif;
  margin: 0;
}

header {
  background-color: #333;
  color: white;
  padding: 10px 0;
}

main {
  padding: 20px;
}

footer {
  background-color: #333;
  color: white;
  padding: 10px 0;
}

h1 {
  text-align: center;
  font-size: 2em;
}

p {
  text-align: justify;
  font-size: 1.2em;
}



a {
  color: blue;
}

main {
    max-width: 1140px;
    margin: auto;
}

footer p {
    text-align: center;
}

.banner {
    width: 100%;
}