.container { position: relative; width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; } .bg_onclick_close_area { position: absolute; width: 100%; height: 100%; background-color: var(--dark_550_color_22); backdrop-filter: blur(0.2rem); } .wrapper { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); overflow-y: auto; background-color: var(--dark_900_color); width: 80%; height: 96%; padding: 2rem; border-radius: 0.6rem; }