.dm-scrollToTopButton {
  visibility: hidden;
  opacity: 0;
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 3;
  background-color: var(--brandColor);
  border-radius: 50%;
  box-shadow: var(--shadow);
  transition: opacity 600ms, visibility 600ms;
}

.dm-scrollToTopButton:before {
  content: "\21EA";
  display: block;
  width: 3rem;
  text-align: center;
  cursor: pointer;
  font-size: 1.5rem;
  height: 3rem;
  line-height: 3rem;
}

.dm-scrollToTopButton,
.dm-scrollToTopButton:visited,
.dm-scrollToTopButton:hover,
.dm-scrollToTopButton:active {
  color: var(--white);
}

.dm-scrollToTopButton:hover {
  filter: brightness(0.9);
}