.row-line:after{--gap:1px;--line-offset:calc(var(--gap)/2);--line-thickness:1px;content:"";background-color:var(--sand-500);z-index:1;inline-size:100vw;block-size:var(--line-thickness);position:absolute;inset-block-start:calc(var(--line-offset)*-1);inset-inline-start:0}.column-line:before{--gap:1px;--line-offset:calc(var(--gap)/2);--line-thickness:1px;content:"";background-color:var(--sand-500);z-index:1;inline-size:var(--line-thickness);block-size:100vh;position:absolute;inset-inline-start:calc(var(--line-offset)*-1)}