.listra{--color:#7272720f;background-image:linear-gradient(0deg, transparent 24%, var(--color) 25%, var(--color) 26%, transparent 27%,transparent 74%, var(--color) 75%, var(--color) 76%, transparent 77%,transparent), linear-gradient(90deg, transparent 24%, var(--color) 25%, var(--color) 26%, transparent 27%,transparent 74%, var(--color) 75%, var(--color) 76%, transparent 77%,transparent);background-size:100px 100px;width:100%;height:100%}