* {
            padding: 0;
            margin: 0;
        }
        html,
        body {
            height: 100%;
            font-size: 24px;
            display: flex;
            flex-direction: column;

        }
        body > * {
            flex-shrink: 0;
            border: 1px solid #FF3300;
            border-radius: 8px;
            margin: 0 auto;
        }
        header {

            background-color: #5F9F9F;
            width: 600px;
            text-align: center;

        }
        footer {
            width: 600px;
            text-align: center;
            font-size: 12px;
        }
        #settings {
            background-color: #5F9F9F;
            width: 600px;
            text-align: center;

        }
        #controls {
            background-color: #5F9F9F;
            width: 600px;
            text-align: center;

        }
        #status {
            background-color: #5F9F9F;
            width: 600px;
            text-align: center;
            display: none;

        }
        #content {
            padding: 5px;
            width: 590px;
            height: 380px;

        }
        .correctAnswer {
            color: green;
        }
        .incorrectAnswer {
            color: red;
        }
        #nextButton {
            width: 300px;
            height: 100px;
            font-size: 26px;
        }