.filtr-item {
  padding-top:30px;
}

.filtr-controls span {
  cursor:pointer;
}

.filtr-controls span:after {
  content:' ';
  width:0;
  height:1px;
  position:absolute;
  bottom:0;
  left:50%;
  background:transparent;
  -webkit-transition:all .6s ease;
  transition:all .6s ease;
}

.filtr-controls span.active:after {
  width:100%;
  left:0;
  background:#000;
}

.filtr-loading {
  border:5px solid #333;
  position:relative;
  border-radius:40px;
  height:40px;
  left:50%;
  margin:80px 0;
  opacity:0;
  top:0;
  width:40px;
  z-index:2;
  -webkit-animation:pulsate 1s ease-out infinite;
  animation:pulsate 1s ease-out infinite;
}

@keyframes pulsate {
  0% {
    transform:scale(.1);
    opacity:0;
  }
  50% {
    opacity:1;
  }
  100% {
    transform:scale(1.2);
    opacity:0;
  }
}