.container { display: flex; flex: 1; flex-direction: column; justify-content: center; align-items: center; } .mask { width: 100%; border-radius: 15px; overflow: hidden; position: relative; } .placeholder { border: 2px rgba(139, 139, 139, 0.4) dashed; width: 100%; border-radius: 15px; padding: 50px; } .icon { opacity: 0.3; }