CssOfPage.css

        body {
            margin: 0;
            padding: 0;
            font-family: 'Courier New', Courier, monospace;
            background-color: #121212; 
            color: #ffffff; 
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        .game-title {
            font-size: 3em;
            text-align: center;
            text-shadow: 0px 0px 10px #ffffff;
            margin-bottom: 20px;
            letter-spacing: 5px;
        }
        .start-game-container {
            text-align: center;
        }
        .difficulty-container {
            display: none; 
            text-align: center;
        }
        .difficulty-button {
            background-color: #333333;
            border: 2px solid #ffffff;
            color: #ffffff;
            padding: 15px 30px;
            font-size: 1.5em;
            margin: 10px;
            cursor: pointer;
            box-shadow: 0px 0px 10px rgb(255, 255, 255);
            transition: all 0.3s ease;
        }
        .difficulty-button:hover {
            background-color: #ffffff;
            color: #121212;
            transform: scale(1.1);
            box-shadow: 0px 0px 15px rgba(255, 255, 255);
        }
        .start-button {
            background-color: #333333;
            border: 2px solid #ffffff;
            color: #ffffff;
            padding: 15px 30px;
            font-size: 1.5em;
            text-transform: uppercase;
            cursor: pointer;
            box-shadow: 0px 0px 10px rgb(255, 255, 255);
            transition: all 0.3s ease;
        }

        .start-button:hover {
            background-color: #ffffff;
            color: #121212;
            transform: scale(1.1);
            box-shadow: 0px 0px 15px rgb(255, 255, 255);
        }

        @keyframes pixel-flash {
            0% { opacity: 0.5; }
            50% { opacity: 1; }
            100% { opacity: 0.5; }
        }

        .game-title {
            animation: pixel-flash 1s infinite alternate;
        }