.review-index-btn-wrapper {
    border: 1px solid #3e3e3e;
    left: calc(50% - 161px);
}

.review-index-btn-wrapper .review-index-btn {
    background: none;
    padding: 0;
    color: #3e3e3e;
    font-family:"Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
}