funda-ui/BackToTop/index.css

React components using pure Bootstrap 5+ which does not contain any external style and script libraries.

/* ======================================================
   <!-- Back to Top -->
/* ====================================================== */
.back-to-top button {
  transform: scale(0);
  position: fixed;
  bottom: 12px;
  right: 12px;
  width: 50px;
  height: 50px;
  z-index: 99;
  text-align: center;
  transition: 0.1s ease-in-out;
  display: block;
  outline: none;
  border: none;
  background-color: transparent;
  cursor: pointer;
}
.back-to-top button svg {
  transition: 0.1s ease-in-out;
}
.back-to-top button:hover svg {
  opacity: 0.7;
}
.back-to-top button.active {
  transform: scale(1);
}
.back-to-top button:active, .back-to-top button:focus {
  outline: none;
}
.back-to-top button i {
  font-size: 1.5rem;
}