@charset "utf-8";
/* CSS Document */

        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        header {
            background-color: #333;
            color: white;
            width: 100%;
            text-align: center;
            padding: 15px 0;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 15px;
            max-width: 2000px;
            width: 90%;
            margin: 20px auto;
        }

        .thumbnail {
            cursor: pointer;
            transition: transform 0.3s;
            object-fit: cover;
            border-radius: 5px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        .thumbnail:hover {
            transform: scale(1.1);
        }

        #modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            justify-content: center;
            align-items: center;
            flex-direction: column;
            padding: 20px;
            box-sizing: border-box;
        }

        #modal img {
            max-width: 80%;
            max-height: 70%;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
            border-radius: 5px;
            margin-bottom: 15px;
        }

        #signature {
            color: white;
            font-size: 16px;
            text-align: center;
        }

        #modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 48px;
            color: white;
            cursor: pointer;
        }

        #modal-close:hover {
            color: red;
        }