.start-buttona-container {
            display: flex;
            justify-content: center;
            align-items: center;
        }

.start-buttona {
    display: flex;
    justify-content: center;
    width: 600px;
    max-width: 90%;
    padding: 30px;
    margin: 40px auto;
    background-color: #334d86;
    border: 1px solid #6392f8;
    border-radius: 8px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#startButtona:hover {
    opacity: 0.8;
}

.restart-buttona {
    display: flex;
    justify-content: center;
    margin: 10px auto;
    padding: 10px 20px;
    background-color: #334d86;
    border: 1px solid #6392f8;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.restart-buttona:hover {
    opacity: 0.8;
}


.train-listen-button {
    color: white;
    padding: 10px 20px;
    background-color: #334d86;
    border: 1px solid #6392f8;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}


#block2-left {
    background-color: #2785C9;
}

        #block2-right {
            background-color: #e90c0c;
        }

        #block2-noise {
            background-color: green;
        }

        #block2-console {
            font-size: 130%;
            text-align: center;
            font-weight: bold;
            color: #5C77B2;
            margin: 10px auto;
        }

        input[type="range"] {
            width: 300px;
            margin: 20px auto;
            appearance: none;
            height: 8px;
            background: linear-gradient(to right, #2785C9 0%, #2785C9 33%, green 33%, green 66%, #e90c0c 66%, #e90c0c 100%);
            border-radius: 5px;
            outline: none;
        }

        input[type="range"]::-webkit-slider-thumb {
            appearance: none;
            width: 20px;
            height: 20px;
            background: #fff;
            border: 2px solid #000;
            border-radius: 50%;
            cursor: pointer;
        }

        .record-container {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 5px auto;
        }

        .record-container div {
            margin-right: 10px;
            text-align: left;
        }



        .hidden {
            display: none;
        }

        .custom-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: auto;
            margin: 0;
            font-family: 'Arial', sans-serif;
            text-align: center;
            font-size: 16px;
        }