body {
  text-align: center;
  padding: 50px;
  font: 18px Calibri, sans-serif;
  color: #333;
  background-color: gainsboro;
}

h1 {
  font-size: 38px;
}

article {
  display: block;
  text-align: left;
  width: 650px;
  margin: 0 auto;
}

a {
  color: #02275d;
  text-decoration: none;
}

a:hover {
  color: #0043a8;
  text-decoration: none;
}

.btn-primary {
  background-color: #02275d !important;
}