nav {
    background: linear-gradient(
        69deg,
        rgba(229, 0, 0, 0.4) 0%,
        rgba(255, 141, 0, 0.4) 25%,
        rgba(2, 129, 33, 0.4) 45%,
        rgba(255, 238, 0, 0.4) 60%,
        rgba(0, 76, 255, 0.4) 75%,
        rgba(119, 0, 136, 0.4) 100%
    )
}