csslayout/styles/patterns/_questions-and-answers.scss

.questions-and-answers {
    width: 100%;
}
.questions-and-answers__item:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.3);
}
.questions-and-answers__header {
    align-items: center;
    display: flex;
    justify-content: center;
    cursor: pointer;
    padding: 0.5rem;
}
.questions-and-answers__toggle {
    margin-right: 0.25rem;
}
.questions-and-answers__title {
    flex: 1;
}
.questions-and-answers__content {
    padding: 0 0.5rem;
}

.questions-and-answers__item--collapsed .questions-and-answers__content {
    display: none;
}
.questions-and-answers__item--expanded .questions-and-answers__content {
    display: block;
}