.bannerimage {
  width: 100%;
  background-image: url(https://oldmansani.com/images/banner.jpg);
  height: auto;
  background-position: center;
}
nav {
  display: block;
  background: white;
  font-size: 25px;
  text-color: black;
  border: 5px solid transparent ;

}
  a:link, a:visited {
  color: black;
  text-decoration: none;
  cursor: auto;
}
a:hover {
  text-decoration: underline;
}
a:link:active, a:visited:active {
  color: black;
}
footer {
  position: fixed;
  bottom: 10px;
  left: 35%;
  font-size: 12px;
  text-align: center;
}
body {
  font: 18px Helvetica, sans-serif;
  color: #333;
}
article {
  display: block;
  text-align: left;
  width: 650px;
  margin: 0 auto;
}
.error {
  border: 50px solid transparent;
  text-align: left;
}
p.errorCode {
  font-weight: bold;
}
p.errorMessage {
  text-decoration: underline;
}