.posBtn[data-v-3d90ca0b]{width:40px;height:40px;font-size:40px;text-align:center;line-height:34px;position:absolute;color:#fff;background:rgba(0,0,0,.5);cursor:pointer;border-radius:20px}.btnRight[data-v-3d90ca0b]{right:20px;top:50%;margin-top:-20px}.btnLeft[data-v-3d90ca0b]{left:20px;top:50%;margin-top:-20px}