@media (min-width: 300px) {
  div {
  }
}

div {
}

a {
}

.d-block {
  color: #2299aa;
  text-decoration: underline;
}

[id] {
  scroll-margin-top: 12em;
}

@media (min-width: 768px) {
  [id] {
    scroll-margin-top: 5em;
  }
}

#btop-btn {
  position: fixed;
  bottom: 10px;
  right: 15px;
  z-index: 9999;
  opacity: .7;
  font-size: 50px;
  line-height: 1;
}

#btop-btn:before {
  position: absolute;
  background: #ffffff;
  content: "";
  width: 37px;
  height: 37px;
  top: 10px;
  right: 3px;
  z-index: -1;
  border-radius: 40%;
}

a:hover {
  text-decoration: none;
}

a {
  text-decoration: none;
}