body {
    background-image: url("../images/background.jpg");
    margin: 0;
}

#contentContainer {
    background-color: green;
    color: white;
    margin: 80px auto;
    padding: 30px 80px 80px;
    text-align: center;
    width: 900px;
}

#startButton,
#submitButton {
    background-color: white;
    border: 2px solid black;
    color: green;
    cursor: pointer;
    font-size: 36px;
    height: 100px;
    width: 400px;
}

#startButton {
    margin-top: 100px;
}

#submitButton {
    margin-bottom: 20px;
    margin-top: 80px;
}

#timerContainer {
    font-size: 30px;
}

#titleContainer {
    font-size: 60px;
}

#resultsContainer,
#timerContainer,
#questionsContainer {
    line-height: 30px;
}

.question {
    font-size: 30px;
    padding: 40px 10px 10px 10px;
}

#quizContainer {
    display: none;
}