.material-scrolltop {
  
  display: block;
  
  position: fixed;
  
  width: 0;
  
  height: 0;
  
  bottom: 23px;
  
  right: 23px;
  
  padding: 0;
  
  overflow: hidden;
  
  outline: none;
  
  border: none;
  
  border-radius: 2px;
  
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.5);
  
  cursor: hand;
  
  border-radius: 50%;
  
  background: #169fe6;
  
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  
  -webkit-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
  
  -ms-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
  
  -moz-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
  
  -o-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
  
  transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
}

.material-scrolltop:hover {
  
  background-color: #000;
  
  text-decoration: none;
  
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.5), 0 3px 15px rgba(0, 0, 0, 0.5);

}

.material-scrolltop::before {
  
  position: absolute;
  
  top: 50%;
  
  left: 50%;
  
  -webkit-transform: translate(-50%, -50%);
  
  -ms-transform: translate(-50%, -50%);
  
  -moz-transform: translate(-50%, -50%);
  
  -o-transform: translate(-50%, -50%);
  
  transform: translate(-50%, -50%);
  
  content: '';
  
  width: 0;
  
  border-radius: 100%;
  
  background: #169fe6d9;
}

.material-scrolltop:active::before {
  
  width: 120%;
  
  padding-top: 120%;
  
  -webkit-transition: all 0.2s ease-out;
  
  -ms-transition: all 0.2s ease-out;
  
  -moz-transition: all 0.2s ease-out;
  
  -o-transition: all 0.2s ease-out;
  
  transition: all 0.2s ease-out;

}

.material-scrolltop.reveal {
  
  width: 56px;
  
  height: 56px;

}

.material-scrolltop span {
  
  display: block;
  
  font-size: 25px;
  
  color: #fff;

}

.material-scrolltop,

.material-scrolltop::before {
  
  background-image: url(icons/top-arrow.svg);
  
  background-position: center 50%;
  
  background-repeat: no-repeat;

}