/*Back top*/
.back-to-top-link.visible {
  position: fixed;
  bottom: 20px;
  right: 30px;
}
h1, .h1 {
font-size: calc(0.9rem + 1vw);
}
@media (min-width: 1200px) {
h1, .h1 {
font-size: 1.8rem;
text-align: center;
color: darkblue;
}
}