body{background-color:#000!important}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.background{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;overflow:hidden;background-position:center;background-repeat:no-repeat;background-size:cover;opacity:0;animation:fadeIn 1s ease-in 1s forwards}#Cocos3dGameContainer{position:absolute}