gu

body::before {
content: " ";
display: block;
position: fixed;
top: 0;
left: 0;
bottom: 0;
right: 0;
background: linear-gradient(rgba(12, 5, 15, 0) 50%, rgba(0, 0, 0, 0.384) 50%);
z-index: 2;
background-size: 100% 2px, 3px 100%;
pointer-events: none;
z-index:200;