.carousel{
    position: relative;
}
.carousel.single{
    background-color: rgba(50, 50, 50, .7);
}
.carousel .carousel-button{
    cursor: pointer;
    position: absolute;
    width: auto;
    padding: 16px;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    border-radius: 0 3px 3px 0;
    user-select: none;
    z-index: 999;
    background-color: rgba(0, 0, 0, 0.1);
    border: solid 1px #0005;
    transition: all .1s;
    left: 0;
    top: calc(50% - 30px);
}
.carousel .carousel-button:hover{
    background-color: rgba(0, 0, 0, 0.8);
    border: solid 1px transparent;
}
.carousel .carousel-button.next{
    left: auto;
    right: 0;
    border-radius: 3px 0 0 3px;
    border-right: none;
}
.carousel .carousel-button.prev{
    border-left: none;
}
.carousel .carousel-slide{
    position: relative;
}
.carousel .carousel-slide img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.carousel .carousel-slide span{
    position: absolute;
    bottom: 5%;
    color: white;
    padding: 8px;
    left: 5%;
    background-color: rgba(.51, .51, .51, .6)
}

.carousel .carousel-slide .overlay{
    position: absolute;
    top: 0;
    opacity: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(50, 50, 50, .7);
    /*transition: opacity .3s;*/
}
.carousel .carousel-slide .overlay.active{
    opacity: 1;
}
@keyframes spinner-border-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.carousel-image-preview{
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, .5);
    z-index: 2000;
}
.carousel-image-preview .carousel-image-preview-inner{
    display: flex;
    justify-content: center;
    position: absolute;
    top: 8%;
    left: 8%;
    right: 8%;
    bottom: 8%;
}
.carousel-image-preview .carousel-image-preview-inner img{
    max-width: 100%;
    max-height: 100%;
    cursor: zoom-out;
    background-color: #fff;
}


.carousel .carousel-slide .spinner-border, .carousel-image-preview .spinner-border{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 3px solid #222;
    border-right-color: transparent;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    animation: spinner-border-spin .5s linear infinite;
}
.carousel .carousel-slide .spinner-border[hidden], .carousel-image-preview .spinner-border[hidden]{
    display: none;
}