#zundler-iframe { position:fixed; top:0; left:0; bottom:0; right:0; width:100%; height:100%; border:none; margin:0; padding:0; overflow:hidden; z-index:-1; } .lds-ripple { display: block; position: relative; width: 80px; height: 80px; margin: auto; z-index:1; } .lds-ripple div { position: absolute; border: 4px solid #aaa; opacity: 1; border-radius: 50%; animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite; } .lds-ripple div:nth-child(2) { animation-delay: -0.5s; } @keyframes lds-ripple { 0% { top: 36px; left: 36px; width: 0; height: 0; opacity: 0; } 4.9% { top: 36px; left: 36px; width: 0; height: 0; opacity: 0; } 5% { top: 36px; left: 36px; width: 0; height: 0; opacity: 1; } 100% { top: 0px; left: 0px; width: 72px; height: 72px; opacity: 0; } }