.gallery-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.8);
    transition: .3s ease opacity;
    opacity: 0;
    pointer-events: none;
}

.gallery-fullscreen-inner {
    width: calc(100% - 100px);
    height: calc(100% - 100px);
    z-index: 10;
    opacity: 0;
    transition: .3s ease opacity;
}

.gallery-fullscreen-inner > img,
.gallery-fullscreen-inner > video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-fullscreen.show {
    opacity: 1;
    pointer-events: all;
}

.gallery-fullscreen-inner.show {
    opacity: 1;
}

.prev-btn, .next-btn {
    position: fixed;
    width: 60px;
    height: 100px;
    background-color: black;
    z-index: 20;
    border: 0;
    cursor: pointer;
}

.prev-btn {
    left: 0;
    top: calc(50% - 50px);
}

.next-btn {
    right: 0;
    top: calc(50% - 50px);
}

.prev-btn > svg, .next-btn > svg {
    width: 38px;
    height: 38px;
    fill: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: black;
    border: 0;
    z-index: 20;
    cursor: pointer;
}

.close-btn > svg {
    fill: white;
    width: 30px;
    height: 30px;
}

.prev-btn > svg {
    transform: translateX(3px);
}

.next-btn > svg {
    transform: translateX(4px);
}