.courseTable[data-v-52b38bf4]{position:absolute;width:100%;height:100%;background:#000;left:0;top:0;right:0;bottom:0}.courseTable img[data-v-52b38bf4]{display:inline-block;position:absolute;width:100%;top:50%;z-index:1;transform:translateY(-50%);margin:0;padding:0}.courseTable .back-btn[data-v-52b38bf4]{width:1.12rem;height:1.12rem;position:fixed;right:.4rem;bottom:10%;z-index:2}.courseTable .back-btn img[data-v-52b38bf4]{width:100%}