html {
    --transition-duration: 2000ms;
}

.flickr-carousel {
    margin: auto;
    height: 500px;
    background-color: black;
    position: relative;
    box-shadow: 0 20px 30px 5px rgba(0,0,0, 0.3);
}

.flickr-carousel a {
    transition-property: opacity;
    transition-duration: var(--transition-duration);
}

.flickr-carousel a div {
    width: 100%;
    height: 100%;
    position: absolute;
    background-repeat: no-repeat;
    background-position: center;
    background-position-y: 35%;
    background-size: cover;
}

.flickr-carousel-indicators {
    position: absolute;
    bottom: 0;
    z-index: 99;
    width: 100%;
    text-align: center;
    opacity: 0.4;
    transition-property: opacity;
    transition-duration: 500ms;
}

.flickr-carousel-indicators div {
    height: 37px;
    margin: auto;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    margin-bottom: 15px;
}

.flickr-carousel-indicators div button {
    display: inline-block;
    padding: 5px;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.7);
    border: 0;
    margin: 5px;
    cursor: pointer;
}

.flickr-carousel-indicators div button.active {
    background-color: rgba(255, 255, 255, 1);
}

.flickr-carousel-button {
    position: absolute;
    z-index: 99;
    top: calc(50% - 30px);
    background: none;
    color: white;
    opacity: 0.2;
    border: 0;
    font-size: 30px;
    cursor: pointer;
    transition-property: opacity;
    transition-duration: 500ms;
}

.flickr-carousel-button:hover {
    opacity: 1;
}

.flickr-carousel-button-next {
    right: 0;
}

.flickr-carousel:hover .flickr-carousel-button {
    opacity: 0.7;
}

.flickr-carousel:hover .flickr-carousel-indicators {
    opacity: 1;
}