body {
                font-family: Arial, sans-serif;
                margin: 0;
                padding: 0;
            }
            .menu {
                display: flex;
                flex-wrap: wrap;
                background-color: #000;
                justify-content: center;
                align-items: center;
                list-style-type: none;
                padding: 0;
                margin: 0;
                max-width: 100%;
                border-radius: 4px;
            }
            .menu li {
                position: relative;
                text-align: center;
                padding: 6px 16px;
                border-right: 1px solid #ccc;
                flex: 1 0 auto;
                max-width: 170px;
                font-size: 16px;
                height: 14px;
            }
            .menu li:last-child {
                border-right: none;
            }
            .menu a,
            .submenu a {
                display: block;
                color: silver;
                text-decoration: none;
            }
            .submenu {
                display: none;
                position: absolute;
                background-color: #000;
                top: 100%;
                left: 0;
                width: 170px;
                box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
                z-index: 1;
                text-align: right;
            }
            .submenu li {
                font-size: 14px;
            }
            .menu li:hover > .submenu {
                display: block;
            }
            .menu li:hover {
                background-color: #36454f;
            }
            .message {
                display: none;
                color: silver;
                border-radius: 4px;
                position: relative;
                margin: 5px auto;
                text-align: center;
                font-size: 16px;
                width: 100%;
                display: flex;
                justify-content: center;
                align-items: center;
                height: 50px;
            }
            .message.bg-message {
                background-color: #000;
            }
            
            @media only screen and (max-width: 768px) {
                .menu li {
                    flex: 1 0 100%;
                    border-right: none;
                    border-bottom: 1px solid #ccc;
                }
                .menu li:last-child {
                    border-bottom: none;
                }
            }
            #logic-board,
            #music-board {
                display: none;
                background-color: #36454f;
                padding: 20px;
                border-radius: 10px;
                width: 300px;
                margin: 20px auto;
                text-align: center;
                color: silver;
            }
            #logic-board input,
            #music-board input {
                background-color: #000;
                color: silver;
                font-size: 14px;
                border: 1px solid silver;
                padding: 5px;
                border-radius: 5px;
                margin-top: 10px;
            }
            .music-controls {
                margin-top: 10px;
            }
            .music-controls span {
                cursor: pointer;
                font-size: 14px;
                margin: 0 10px;
            }
            #bingo-board {
                display: none;
                background-color: #36454f;
                padding: 20px;
                border-radius: 10px;
                width: 300px;
                margin: 20px auto;
                text-align: center;
                color: silver;
            }
            .bingo-grid {
                display: grid;
                grid-template-columns: repeat(5, 1fr);
                grid-gap: 5px;
            }
            .bingo-cell {
                background-color: #000;
                color: silver;
                border-radius: 5px;
                display: flex;
                justify-content: center;
                align-items: center;
                height: 50px;
                font-size: 18px;
                cursor: pointer;
            }
            .bingo-cell.selected {
                background-color: #36454f;
            }
            .custom-button,
            .playlist-button {
                background-color: #000;
                color: silver;
                font-size: 12px;
                border: none;
                padding: 8px 14px;
                cursor: pointer;
            }
            .color-board {
                display: none;
                background-color: #36454f;
                padding: 20px;
                border-radius: 10px;
                width: 300px;
                margin: 20px auto;
                text-align: center;
                color: silver;
            }
            .color-board input {
                background-color: #000;
                color: silver;
                font-size: 14px;
                border: 1px solid silver;
                padding: 5px;
                border-radius: 5px;
                margin-top: 10px;
            }
            .post-outer-container {
                background-color: rgba(0, 0, 0, 0.52);
            }
            .overlay {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background-color: rgba(0, 0, 0, 0.8);
                z-index: 2;
                overflow-x: hidden;
                transition: 0.5s ease;
                padding-top: 60px;
            }
            .overlay-content::-webkit-scrollbar-track {
                background: #000;
            }
            .overlay-content::-webkit-scrollbar-thumb {
                background-color: #000;
                border-radius: 4px;
            }
            .overlay a.closebtn {
                position: absolute;
                top: 25px;
                right: 20px;
                font-size: 36px;
                color: red;
                text-decoration: none;
            }
            .input-container {
                margin-top: 20px;
                width: 100%;
                max-width: 100%;
                padding: 10px;
                box-sizing: border-box;
                background-color: #333;
            }
            .input-container input[type="text"] {
                width: 70%;
                padding: 8px;
                border: 1px solid #ccc;
                border-radius: 4px;
                font-size: 11px;
                margin-right: 10px;
                background-color: #fff;
                color: #333;
            }
            .input-container input[type="submit"] {
                padding: 8px 16px;
                background-color: #000;
                color: #fff;
                border: none;
                border-radius: 4px;
                cursor: pointer;
                font-size: 11px;
            }
            .gallery {
                display: flex;
                flex-wrap: wrap;
                justify-content: space-around;
                align-items: center;
                margin-top: 10px;
            }
            .gallery .gallery-item {
                position: relative;
                margin: 10px;
                width: calc(25% - 20px);
                cursor: pointer;
            }
            .gallery .gallery-item img {
                max-width: 100%;
                height: auto;
                border-radius: 4px;
                box-sizing: border-box;
                display: block;
                border: 6px solid #fff;
                transition: transform 0.5s ease, opacity 0.5s ease;
            }
            .gallery .gallery-item img:hover {
                transform: scale(1.15);
            }
            .gallery .gallery-item .delete-btn {
                position: absolute;
                top: 5px;
                right: 5px;
                font-size: 20px;
                color: #fff;
                width: 25px;
                height: 25px;
                line-height: 25px;
                text-align: center;
                cursor: pointer;
                border-radius: 50%;
                z-index: 10;
            }
            .fullscreen-slideshow {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background-color: rgba(0, 0, 0, 0.8);
                z-index: 3;
                text-align: center;
                overflow: hidden;
            }
            .fullscreen-slideshow img {
                max-width: 100%;
                max-height: 100%;
                margin: auto;
                display: block;
                transform: scale(0.9);
                opacity: 0.1;
                transition: transform 5s ease, opacity 5s ease;
            }
            .fullscreen-slideshow img.active {
                transform: scale(1);
                opacity: 1;
            }
            .fullscreen-slideshow .closebtn {
                position: absolute;
                top: 20px;
                right: 20px;
                font-size: 36px;
                color: #fff;
                text-decoration: none;
                z-index: 4;
                cursor: pointer;
            }
            .slideshow-navigation {
                position: absolute;
                top: 50%;
                transform: translateY(-50%);
                width: 100%;
                display: flex;
                justify-content: space-between;
                z-index: 4;
            }
            .slideshow-navigation button {
                background: rgba(0, 0, 0, 0.5);
                color: #fff;
                border: none;
                font-size: 24px;
                cursor: pointer;
                padding: 10px 20px;
                outline: 0;
            }
            .slideshow-navigation button:hover {
                background: rgba(0, 0, 0, 0.7);
            }
            .fullscreen-slideshow img {
                max-width: 100%;
                max-height: 100%;
                margin: auto;
                display: block;
                transform: scale(1);
                opacity: 1;
                transition: transform 4s ease, opacity 0.5s ease;
            }