.CardItem.active .card-top { color: #78D024; }
.CardItem.deactive .card-top { color: #C9484D; }

.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; }

.ly-unknow { position: absolute; right: 4px; top: -35px; }
.btn-cancle-know { color: #fff; padding: 10px }
.btn-cancle-know:hover { background: rgba(255, 255, 255, 0.1); }

.study-popup-guide { display: none; left: 92%; bottom: 2%; background: #7F59C7; color: #fff; border: none; padding: 25px 15px; width: 250px; opacity: 0.95; position: absolute; z-index: 1000; float: left; margin: 2px 0 0; font-size: 15px; list-style: none; border-radius: 4px; box-shadow: 0 6px 12px rgba(0,0,0,.175); line-height: 1.5; }
.study-popup-guide:before { content: ""; position: absolute; width: 0; height: 0; border-color: transparent; border-style: solid; top: calc(50% - 5px); left: -10px; border-width: 10px 10px 10px 0px; border-right-color: #7F59C7; }
.study-popup-guide.active { display: block; }
.btn-study-popup-guide-close { position: absolute; right: 5px; top: 0px; font-size: 22px; cursor: pointer; }

.study-content .next-body { position: absolute; right: 0; top: 102%; color: #C0C0C0; }