body {
  background: url("images/pattern.jpg") repeat;
}
.top-left {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.5;
}
.bottom-right {
  position: absolute;
  bottom: 0;
  right: 0;
  opacity: 0.5;
}

.content {
  height: 100vh;
  text-align: center;
}

.content a {
  display: block;
  color: #644630;
  font-weight: bold;
  text-decoration: none;
}

img.logo-intro {
  max-width: 800px;
}

img.logo-footer {
  max-width: 400px;
}