html,
body {
  height: 100%;
  background-color:  black /**/ ;
}
.cover-heading{
  color:  black /**/ ;
  text-shadow: none;
}

/* Custom default button */
.btn-secondary {
  color: lightgrey;
  text-shadow: none; /* Prevent inheritance from `body` */
  background-color:  black /**/ ;
  border: none;
}
.btn-secondary:hover {
  color: white;
  background-color:  black /**/ ;
  border: none;
}