body {
    font-family: Arial, sans-serif;
}

.gallery {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: 330px;
    cursor: pointer;
    transition: 0.3s;
}

.thumbnail:hover {
    opacity: 0.7;
}

.cursor-pointer {
    cursor: pointer;
}

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    position: relative;
    margin: auto;
    display: block;
    max-width: 80%;
    max-height: 80%;
}

.modal-content img {
    display: block;
    margin: auto;
    max-width: 100%;
    max-height: 100%;
}

.modal-content img.mySlide {
    max-height: 80vh;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

.mySlides {
    display: none;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.caption-container {
    text-align: center;
    background-color: black;
    padding: 2px 16px;
    color: white;
}

.column {
    float: left;
    padding: 5px;
}

.demo {
    opacity: 0.6;
}

.active, .demo:hover {
    opacity: 1;
}

@media only screen and (max-width: 600px) {
    .column {
        width: 50%;
        padding: 0;
    }
}