.gallery-visibility .column-item{opacity:0;visibility:hidden}.gallery-visibility:before{content:"";width:30px;height:30px;display:block;vertical-align:middle;border:1px solid #bbb;border-left-color:#000;border-radius:50%;animation:opal-loading 450ms infinite linear;-webkit-animation:opal-loading 450ms infinite linear;margin:30px auto;position:absolute;left:calc(50% - 15px);top:20px}@keyframes opal-loading {
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}@-webkit-keyframes opal-loading {
    100% {
        -webkit-transform: rotate(360deg)
    }
}