body {
            min-height: 100vh;
            margin: 0;
            display: flex;
            justify-content: center;
            font-family: Arial, sans-serif;
            box-sizing: border-box;
        }

        #languageSelect {
            font-size: 2em;
            font-weight: bold;
            text-align: center;
            border: none;
            background-color: transparent;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            position: relative;
            background: transparent;
            background-image: url('../images/arrow-down.svg');
            background-repeat: no-repeat;
            background-position: right center;
            background-size: 0.75em;
            padding-right: 1.5em;
        }      

        .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            max-width: 800px;
        }

        h1 {
            color: black;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .board {
            display: grid;
            grid-template-columns: repeat(8, 60px);
            grid-template-rows: repeat(8, 60px);
            padding: 2px;
            margin: 0 auto;
        }

        .cell {
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 24px;
            font-weight: bold;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            }


        .cell img {
            width: 80%;
            height: 80%;
            object-fit: contain;
        }

        .number {
            color: white;
        }

        .operator {
            background-color: white;
            color: #333;
        }

        .uitleg {
            font-size: 14px;
            width: 100%;
            max-width: 480px;
        }

        .button-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 7px 0;
            align-items: center;
            width: 100%;
        }

        button {
            background-color: white;
            border: 2px solid #1a1a1a;
            color: black;
            padding: 10px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            margin: 20px 0;
        }

        button:hover {
            background-color: #1a1a1a;
            border: 2px solid white;
            color: white;
        }

        select {
            padding: 10px;
            border: 2px solid #1a1a1a;
            border-radius: 4px;
            font-size: 16px;
            background-color: white;
            color: black;
            cursor: pointer;
        }

        select:hover {
            background-color: #f5f5f5;
        }

        footer {
            color: black;
            text-align: center;
            font-style: italic;
            font-size: 12px;
            width: 100%;
        }

        .print-footer {
            position: absolute;
            bottom: 0;
            width: 100%;
            text-align: center;
            font-size: 12px;
            font-style: italic;
            background-color: white;
            padding: 5px 0;
        }

        @media print {
            body {
                background-color: white;
                padding: 0;
            }
            #generateBoard, #modeSelect, #printBtn, footer {
                display: none;
            }
            #languageSelect {
                background-image: none; /* Remove the arrow for printing */
            }
        }