Add this code to the Custom CSS field on the Appearance tab of your YouTube Gallery widget’s settings:
.yottie-widget-feed-section-pagination-bullet {
color: #fff;
background: rgba(175, 175, 175, 0.5);
}
.yottie-widget-feed-section-pagination
.swiper-pagination-bullet-active {
color: #fff;
background: rgba(175, 175, 175, 0.7);
}
.yottie-widget-feed-section-pagination-bullet:hover {
color: #000;
background: #fff;
}
.yottie-widget-feed-section-pagination-bullet-more {
background: #777;
}
.yottie-widget-feed-section-pagination-bullet-more:after,
.yottie-widget-feed-section-pagination-bullet-more:before {
background: #ddd !important;
}
.yottie-widget-feed-section-pagination-bullet-more:hover {
background: #ddd;
}
.yottie-widget-feed-section-pagination-bullet-more:hover:after,
.yottie-widget-feed-section-pagination-bullet-more:hover:before {
background: #777 !important;
}