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

body {
    height: 50%;
}

.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 {}