.cd-top {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  height: 30px;
  width: 30px;
  border-radius: 30px;
  position: fixed;
  bottom: 40px;
  right: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  background: var(--bs-dark);
  visibility: hidden;
  opacity: 0;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s;
  -moz-transition: opacity .3s 0s, visibility 0s .3s;
  transition: opacity .3s 0s, visibility 0s .3s;
  z-index: 9999;
}

.cd-top.cd-is-visible, .cd-top.cd-fade-out, .no-touch .cd-top:hover {
  -webkit-transition: opacity .3s 0s, visibility 0s 0s;
  -moz-transition: opacity .3s 0s, visibility 0s 0s;
  transition: opacity .3s 0s, visibility 0s 0s;
}

.cd-top.cd-is-visible {
  visibility: visible;
  opacity: 1;
}

.cd-top.cd-fade-out {
  opacity: .5;
}

.no-touch .cd-top:hover {
  background-color: var(--bs-dark);
  opacity: 1;
}

@media only screen and (min-width: 768px) {
  .cd-top {
    right: 20px;
    bottom: 20px;
  }
}

@media only screen and (min-width: 1024px) {
  .cd-top {
    height: 40px;
    width: 40px;
    right: 30px;
    bottom: 30px;
  }
}