body {
    font-family: Arial, Helvetica, sans-serif;
}

.jumbotron {
    background-color: rgb(199, 142, 211);
}

.main, #question, #choice {
    margin: 0 auto;
    text-align: center;
}

.main {
    margin: 20px;
}

.choice {
    font-size: 20px;
    margin: 5px;
    /* background-color: rgb(107, 194, 235); */
}

#question, #timer {
    margin: 10px;
}

#timer {
    color: red;
}

.choice:hover, #question, #result {
    font-weight: bold;
}

@media screen and (max-width: 640px) {
    #main {
        width: 100%;
        padding: 10px;
    }
}