img{pointer-events:none}.noise-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==);background-size:100px 100px;mix-blend-mode:overlay}