css1 버블이 움직이는 background css animation HTML CSS .bubbles{ position: absolute; width: 100%; height: 100%; z-index:0; overflow:hidden; top:0; left:0; } .bubble{ position: absolute; bottom:0; width:40px; height: 40px; background: rgba(120, 184, 154, 1); border-radius: 50%; opacity: 0.5; animation: flying 15s infinite ease-in-out; } .bubble:nth-child(1){ width:40px; height: 40px; left:10%; animation-duration: 15s; } .bubble:nth-child(2){.. 2021. 7. 1. 이전 1 다음 반응형