Pattern by adamgiebl

1.container {
2  width: 100%;
3  height: 100%;
4  --color: rgba(114, 114, 114, 0.3);
5  background-color: #191a1a;
6  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),
7      linear-gradient(90deg, transparent 24%, var(--color) 25%, var(--color) 26%, transparent 27%,transparent 74%, var(--color) 75%, var(--color) 76%, transparent 77%,transparent);
8  background-size: 55px 55px;
9}