.centered-image {
  display: block;
  margin: 2rem auto;
  max-width: 100%;
  height: auto;
}

body {
  background-color: #dcdcdc;
  font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

footer {
  text-align: center;
}