#astroid-backtotop.circle{
  border-radius: 100%;
}
#astroid-backtotop{
  background: rgb(26, 164, 224);
  padding: 10px;
}
#astroid-backtotop{
  display: none;
  line-height: 0;
  position: fixed;
  right: 20px;
  bottom: 20px;
  padding: 10px;
  z-index: 1020;
}