body:before { content: " "; display: block; position: fixed; top: 0; left: 0; bottom: 0; right: 0; background: linear-gradient(rgb(55 55 55 / 20%) 30%, rgb(0 0 0 / 5%) 70%); z-index: 99999; background-size: 100% 2px, 3px 100%; pointer-events: none }