.scrollUp {
  display:inline-block;
  height:50px;
  width:50px;
  position:fixed;
  bottom:40px;
  right:20px;
  box-shadow:0 0 10px rgba(0, 0, 0, 0.05);
  overflow:hidden;
  text-indent:100%;
  white-space:nowrap;
  border-radius:15px;
  background:rgba(11,38,90,0.9) url(../../assets/img/up.png) no-repeat center 50%;
  visibility:hidden;
  opacity:0;
  -webkit-transition:opacity .3s 0s, visibility 0s .3s;
  -moz-transition:opacity .3s 0s, visibility 0s .3s;
  transition:opacity .3s 0s, visibility 0s .3s;
}

.scrollUp.scrollUpVisible {
  visibility:visible;
  opacity:.85;
}

.scrollUp.scrollUpVisible:hover {
  opacity:1;
}

.scrollUp.scrollUp-fade-out {
  opacity:.66;
}

.scrollUp.scrollUp-fade-out:hover {
  opacity:1;
}