body {
    word-break: auto-phrase;
}

section {
    border-top: 2px solid gray;
    margin-top: 2%;
    padding: 1%;
}

section>div {
    padding: 1%;
}

button.question::before {
    content: "Ｑ";
    color: #2b18ff;
    font-weight: bold;
}

div.answer::before {
    content: "Ａ";
    color: #ff2b18;
    font-weight: bold;
}