.study-body.sentence .CardItem .card-top { font-size: 24px; }
.study-body.sentence .CardItem .card-bottom { font-size: 20px; }
.exam_text { color: #999999; }
.card-top .exam_text span { color: transparent; border-bottom: 1px solid #999; }

.study-body.sentence .CardItem .sentence-word { font-weight: 600; }

.CardItem .icon-right { position: absolute; top: 15px; right: 17px; font-size: 18px; font-weight: 600; z-index: 3; color: #C0C0C0; }
.CardItem.active .icon-right, .CardItem.deactive .icon-right { display: none; }