:root{--line-color:rgba(255,255,255,0.02);--line-width:1px;--line-spacing:1vw}.vertical-lines{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;background-image:repeating-linear-gradient(to right,var(--line-color) 0,var(--line-color) var(--line-width),transparent var(--line-width),transparent var(--line-spacing));z-index:0}