#copyDone { width: 100vw; height: 100vh; position: relative; } #copyDone .window { position: absolute; width: 3.73333333rem; height: 3.73333333rem; background: url(../../../../images/game/SH/popups/copy.png) no-repeat; background-size: 100% 100%; margin: auto; top: 0; left: 0; bottom: 0; right: 0; }