@charset "UTF-8";

#btn-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 15;
  width: 70px;
  height: 70px;
  -webkit-transition: all 0.15s ease-out;
  -moz-transition: all 0.15s ease-out;
  -ms-transition: all 0.15s ease-out;
  -o-transition: all 0.15s ease-out;
  transition: all 0.15s ease-out;
  cursor: pointer;
}
#btn-top:hover {
  opacity: 0.7;
}