h1 {
    color: #198754;/* Bootstrap v5のtext-successの色 */
}

input[type="radio"]:checked + label.question_choice {
    color: #198754;/* Bootstrap v5のtext-successの色 */
    background-color: white;
    border-color: #198754;
    border-width: 3px;
}

input[type="radio"]:active {
    background-color: white;
}

input[type="radio"]:active + label.question_choice {
    color: #198754;/* Bootstrap v5のtext-successの色 */
    background-color: white;
    border-color: #198754;
    border-width: 3px;
}