.video-background{position:fixed;top:0;left:0;width:100vw;height:100vh;overflow:hidden;z-index:-1}.video-background iframe{position:absolute;top:50%;left:50%;width:100vw;height:56.25vw;min-height:100vh;min-width:177.78vh;transform:translate(-50%,-50%);pointer-events:none}