/* 상단이동 */
.move_top {width: 70px; height: 70px; border-radius: 50%; box-shadow: 0 0 10px rgba(0,0,0, .3); background-color: rgba(255, 255, 255, .2); display: flex; justify-content: center; align-items: center; position: fixed; right: 30px; bottom: 30px; color: #ddd; flex-direction: column; display: none; z-index: 100; cursor: pointer;}