Pseudo-Random Backgrounds

.random-pattern {
  background: hsl(20, 40%, 90%);
  background-image:
    linear-gradient(90deg, #7A306C 11px, transparent 0),
    linear-gradient(90deg, #8E8DBE 23px, transparent 0),
    linear-gradient(90deg, #A9E4EF 41px, transparent 0);
  background-size: 41px 100%, 61px 100%, 83px 100%;
}