.btn-carousel-control.only-show-when-hover{opacity:0;visibility:hidden;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,-webkit-backdrop-filter,backdrop-filter;transition-duration:.2s;transition-timing-function:cubic-bezier(.4,0,1,1);animation-duration:.2s;animation-timing-function:cubic-bezier(.4,0,1,1)}.slider:hover .btn-carousel-control.only-show-when-hover{opacity:1;visibility:visible}