.noisebg{background:radial-gradient(circle at 25% 25%,hsla(0,0%,100%,.1) 1px,transparent 0),radial-gradient(circle at 75% 75%,hsla(0,0%,100%,.05) 1px,transparent 0);background-color:#000;background-size:4px 4px}.menu-open{overflow:hidden}