*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.app {
    font-family: 'Trebuchet MS', 'Lucida Grande', Verdane, Arial, sans-serif;
    display: flex;
    justify-content: center;
    text-align: center;
    padding: 100px;
}

.questions{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.question-box{
    background-color: rgb(21, 21, 21);  
    margin: 15px; 
    color: rgb(230, 230, 230);
    border-radius: 10px;
    padding: 0 40px 10px 40px;
}

.question-box h1{
    text-align: left;
    color: rgb(177, 136, 211);
}

.question-buttons {
display: flex;
flex-direction: row;
}

.question-button {
margin: 5px;
padding: 10px 20px;
border-radius: 20px;
border: none;
background-color: rgb(75, 134, 111);
color: rgb(255, 255, 255);
}

.question-button:disabled {
    background-color: rgb(121, 121, 121);
    color: rgb(136, 134, 134)
}

.answer-display {
height: 50px;
display: flex;
align-items: center;
justify-content: center;
}

.answer-display.correct {
color: rgb(211, 211, 117);
}

.answer-display.wrong {
    color: rgb(211, 134, 117);
}