.answer-item {
    width: 75%;
    margin: 0 auto;
}

@media only screen and (max-width: 767px) {
    .answer-item {
        width: 90%;
        margin: 0 auto;
    }
}

@media only screen and (max-width: 576px) {
    .answer-item {
        width: 100%;
        margin: 0 auto;
    }
}