div.controls div.pagination span.active {
    color: white;
}
div.controls div.pagination span.active::before {
    width: 300%;
    opacity: 1;
}
div.controls div.pagination span::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(133deg, #7f178d 0%, #ef8218 75%, #dcde38 100%);
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
    opacity: 0;
    z-index: -1;
}