#page-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  font-size: 13px;
	z-index: 1000;
}
#page-top a {
  background: rgba(0,0,0,0.5);
  width: 50px;
  font-size: 18px;
  font-weight: 100;
  color: #fff;
  text-align: center;
  transition: all 0.5s ease 0s;
  transform: rotate(-90deg);
  display: block;
  border-radius: 5px;
  padding: 10px 0;  
}
#page-top a:hover {
  background: rgba(0,0,0,0.7);
}