body {
        overflow-x: hidden;
        overflow-y: auto;
        background-color: rgb(151, 220, 247);
        background-image: url("main.png");
        background-attachment: fixed;
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
       }

    iframe {
        display: block;
        margin: 15% auto;
        border: none;
        box-shadow: 0 12px 20px rgba(0,0,0,0.4);
    }

    button#neurohellBtn {
                position: fixed;
                bottom: 33%;
                left: 18%;
                padding: 10px 20px;
                background-color: rgba(255, 255, 255, 0.2);
                border: none;
                border-radius: 5px;
                font-size: 16px;
                cursor: pointer;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
                transition: background-color 0.3s ease, transform 0.3s ease;
            }

    button#flionGameBtn {
            position: fixed;
            bottom: 33%;
            right: 22%;
            padding: 10px 20px;
            background-color: rgba(255, 255, 255, 0.2);
            border: none;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

    button#downloadBtn {
                position: fixed;
                bottom: 40%;
                left: 38%;
                padding: 10px 20px;
                background-color: rgba(255, 255, 255, 0.2);
                border: none;
                border-radius: 5px;
                font-size: 16px;
                cursor: pointer;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
                transition: background-color 0.3s ease, transform 0.3s ease;
            }

    button#neurohellBtn:hover,
    button#downloadBtn:hover,
    button#flionGameBtn:hover {
        background-color: rgba(255, 255, 255, 0.9);
        transform: translateY(-2px) scale(1.2);
    }


    footer.bottom-bar {
        margin: -10px;
        font-family: 'Arial', sans-serif;
        color: #ffffff;
        background-color: rgba(26, 26, 26, 0.699);
        text-align: center;
        padding: 20px;
        position: fixed;
        padding-bottom: 50px;
        width: 100%;
        bottom: 0;
       }