.event-gallery-container {
            font-family: Verdana, sans-serif;
            margin: 0;
        }

        * {
            box-sizing: border-box;
        }

        .gallery-row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -8px;
        }

        .gallery-row:after {
            content: "";
            display: table;
            clear: both;
        }

        .gallery-column {
            flex: 0 0 25%;
            max-width: 25%;
            padding: 0 8px;
            margin-bottom: 16px;
        }

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

        /* Modal Content */
        .modal-content {
            position: relative;
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            width: 90%;
            max-width: 1200px;
            border-radius: 8px;
            overflow: hidden;
        }

        /* The Close Button */
        .close {
            color: white;
            position: absolute;
            top: 10px;
            right: 25px;
            font-size: 35px;
            font-weight: bold;
            z-index: 10000;
        }

        .close:hover,
        .close:focus {
            color: #999;
            text-decoration: none;
            cursor: pointer;
        }

        .mySlides {
            display: none;
        }

        .mySlides img {
            width: 100%;
            height: auto;
            max-height: 70vh;
            object-fit: contain;
        }

        .cursor {
            cursor: pointer;
        }

        /* Next & previous buttons */
        .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;
            -webkit-user-select: none;
            background-color: rgba(0, 0, 0, 0.5);
        }

        /* Position the "next button" to the right */
        .next {
            right: 0;
            border-radius: 3px 0 0 3px;
        }

        /* On hover, add a black background color */
        .prev:hover,
        .next:hover {
            background-color: rgba(0, 0, 0, 0.8);
        }

        /* Number text (1/3 etc) */
        .numbertext {
            color: #f2f2f2;
            font-size: 12px;
            padding: 8px 12px;
            position: absolute;
            top: 0;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 0 0 8px 0;
        }

        img {
            margin-bottom: -4px;
        }

        .caption-container {
            text-align: center;
            background-color: black;
            padding: 12px 16px;
            color: white;
        }

        .demo {
            opacity: 0.6;
            height: 80px;
            object-fit: cover;
            width: 100%;
        }

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

        img.hover-shadow {
            transition: 0.3s;
            border-radius: 4px;
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .hover-shadow:hover {
            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
            transform: scale(1.02);
        }

        /* Thumbnail row in modal */
        .thumbnail-row {
            display: flex;
            padding: 8px;
            background: #f5f5f5;
            overflow-x: auto;
        }

        .thumbnail-column {
            flex: 0 0 25%;
            padding: 0 4px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .gallery-column {
                flex: 0 0 33.33%;
                max-width: 33.33%;
            }
        }

        @media (max-width: 768px) {
            .gallery-column {
                flex: 0 0 50%;
                max-width: 50%;
            }
            
            .modal-content {
                width: 95%;
            }
            
            .thumbnail-column {
                flex: 0 0 33.33%;
            }
        }

        @media (max-width: 480px) {
            .gallery-column {
                flex: 0 0 100%;
                max-width: 100%;
            }
            
            .thumbnail-column {
                flex: 0 0 50%;
            }
        }