.h1, h1 {
color: #888;
}

h1 {
color: #555
}

.jumbotron {
color: #555
}

html,
body {
  background-color: #222;
}
Nav {
text-align: center;
}
body {
  color: #888;
  text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
  box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
  font-weight: 500;
}